{"id":15,"date":"2026-02-23T12:07:36","date_gmt":"2026-02-23T10:07:36","guid":{"rendered":"https:\/\/www.math.bas.bg\/library\/?page_id=15"},"modified":"2026-03-14T19:50:11","modified_gmt":"2026-03-14T17:50:11","slug":"%d0%ba%d0%b0%d1%82%d0%b0%d0%bb%d0%be%d0%b7%d0%b8-%d0%b8-%d0%ba%d0%b0%d1%80%d1%82%d0%be%d1%82%d0%b5%d0%ba%d0%b8","status":"publish","type":"page","link":"https:\/\/www.math.bas.bg\/library\/bg\/%d0%b7%d0%b0-%d0%b1%d0%b8%d0%b1%d0%bb%d0%b8%d0%be%d1%82%d0%b5%d0%ba%d0%b0%d1%82%d0%b0\/%d0%ba%d0%b0%d1%82%d0%b0%d0%bb%d0%be%d0%b7%d0%b8-%d0%b8-%d0%ba%d0%b0%d1%80%d1%82%d0%be%d1%82%d0%b5%d0%ba%d0%b8\/","title":{"rendered":"\u041a\u0430\u0442\u0430\u043b\u043e\u0437\u0438 \u0438 \u043a\u0430\u0440\u0442\u043e\u0442\u0435\u043a\u0438"},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull is-light o-anim-hover has-medium-font-size\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"594\" height=\"596\" class=\"wp-block-cover__image-background wp-image-857 size-full\" alt=\"\" src=\"https:\/\/www.math.bas.bg\/library\/wp-content\/uploads\/2026\/03\/\u041a\u043d\u0438\u0433\u0438-\u0447\u0435\u0442\u0435\u043d\u0435-2.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/www.math.bas.bg\/library\/wp-content\/uploads\/2026\/03\/\u041a\u043d\u0438\u0433\u0438-\u0447\u0435\u0442\u0435\u043d\u0435-2.webp 594w, https:\/\/www.math.bas.bg\/library\/wp-content\/uploads\/2026\/03\/\u041a\u043d\u0438\u0433\u0438-\u0447\u0435\u0442\u0435\u043d\u0435-2-300x300.webp 300w, https:\/\/www.math.bas.bg\/library\/wp-content\/uploads\/2026\/03\/\u041a\u043d\u0438\u0433\u0438-\u0447\u0435\u0442\u0435\u043d\u0435-2-150x150.webp 150w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-neve-text-color-background-color has-background-dim-40 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center o-typing-delay-100ms o-typing-slow has-medium-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-base-background-color has-background\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-9cf8f26d wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-1a7dd963 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"has-nv-text-dark-bg-background-color has-background\"><strong><span style=\"color: #000000;\">\u041e\u041d\u041b\u0410\u0419\u041d \u041a\u0410\u0422\u0410\u041b\u041e\u0413<\/span><\/strong> <\/p>\n\n\n\n<p><strong>\u041e\u043d\u043b\u0430\u0439\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u044a\u0442 \u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0442\u0430 \u043d\u0430 \u0418\u041c\u0418<\/strong> \u0435 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441 \u043d\u0430 \u0440\u0435\u0442\u0440\u043e\u043a\u043e\u043d\u0432\u0435\u0440\u0441\u0438\u044f \u043e\u0442 2004 \u0433\u043e\u0434\u0438\u043d\u0430. \u0420\u0435\u0442\u0440\u043e\u043a\u043e\u043d\u0432\u0435\u0440\u0441\u0438\u044f\u0442\u0430 \u043e\u0431\u0445\u0432\u0430\u0449\u0430 \u0432\u0441\u0438\u0447\u043a\u0438 \u0440\u0435\u0441\u0443\u0440\u0441\u0438, \u043f\u043e\u043b\u0443\u0447\u0430\u0432\u0430\u043d\u0438 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0442\u0430, \u0434\u043e \u043c\u043e\u043c\u0435\u043d\u0442\u0430. \u0422\u043e\u0439 \u0435 \u0447\u0430\u0441\u0442 \u043e\u0442 \u0438\u0437\u0433\u0440\u0430\u0434\u0435\u043d\u0438\u044f \u043e\u0442 \u0426\u0435\u043d\u0442\u0440\u0430\u043b\u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043f\u0440\u0438 \u0411\u0410\u041d \u0435\u0434\u0438\u043d\u0435\u043d \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u0447\u0435\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433, \u0441\u044a\u0433\u043b\u0430\u0441\u043d\u043e \u0438\u043d\u0442\u0435\u0433\u0440\u0438\u0440\u0430\u043d\u0430\u0442\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u0447\u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 ALEPH500. \u0411\u0438\u0431\u043b\u0438\u043e\u0433\u0440\u0430\u0444\u0441\u043a\u0438\u0442\u0435 \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u0430 \u0441\u043f\u043e\u0440\u0435\u0434 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 MARC21 \u0438 AACR2.<br><strong>\u041e\u0442 2010 \u0433. \u0435\u0434\u0438\u043d\u043d\u0438\u044f\u0442 \u043e\u043d\u043b\u0430\u0439\u043d \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u0447\u0435\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u043d\u0430 \u0426\u0411 &#8211; \u0411\u0410\u041d \u0435 \u0438\u043d\u0442\u0435\u0433\u0440\u0438\u0440\u0430\u043d \u043a\u044a\u043c \u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u043d\u0430\u0442\u0430 \u0430\u043a\u0430\u0434\u0435\u043c\u0438\u0447\u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u0447\u043d\u043e-\u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 (\u041d\u0410\u0411\u0418\u0421) .<\/strong> \u041a\u0430\u0442\u0430\u043b\u043e\u0433\u044a\u0442 \u043d\u0430 \u041d\u0410\u0411\u0418\u0421 \u043e\u0431\u0445\u0432\u0430\u0449\u0430 \u0440\u0435\u0441\u0443\u0440\u0441\u0438\u0442\u0435 \u043d\u0430 \u0432\u0441\u0438\u0447\u043a\u0438 \u0430\u043a\u0430\u0434\u0435\u043c\u0438\u0447\u043d\u0438 \u0438 \u043f\u043e-\u0433\u043e\u043b\u0435\u043c\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0432 \u0441\u0442\u0440\u0430\u043d\u0430\u0442\u0430.<\/p>\n\n\n\n<p class=\"has-nv-text-dark-bg-background-color has-background\"><strong>\u0422\u0420\u0410\u0414\u0418\u0426\u0418\u041e\u041d\u041d\u0418 \u041a\u0410\u0422\u0410\u041b\u041e\u0417\u0418<\/strong> <\/p>\n\n\n\n<p><strong>\u041d\u0430 \u0440\u0430\u0437\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0430 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438\u0442\u0435 \u0432 \u0437\u0430\u0435\u043c\u043d\u0430\u0442\u0430 \u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0442\u0430 \u0441\u0430:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0410\u0437\u0431\u0443\u0447\u0435\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u043d\u0430 \u043a\u043d\u0438\u0433\u0438\u0442\u0435 \u043d\u0430 \u043a\u0438\u0440\u0438\u043b\u0438\u0446\u0430 \u2013 \u043f\u044a\u043b\u0435\u043d \u0434\u043e 2001 \u0433\u043e\u0434\u0438\u043d\u0430, \u0441\u043b\u0435\u0434 2001 \u0433. \u2013 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441 \u043d\u0430 \u0430\u043a\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f.<\/li>\n\n\n\n<li>\u0410\u0437\u0431\u0443\u0447\u0435\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u043d\u0430 \u043a\u043d\u0438\u0433\u0438\u0442\u0435 \u043d\u0430 \u043b\u0430\u0442\u0438\u043d\u0438\u0446\u0430 \u2013 \u043f\u044a\u043b\u0435\u043d \u0434\u043e 2001 \u0433\u043e\u0434\u0438\u043d\u0430, \u0441\u043b\u0435\u0434 2001 \u0433. \u2013 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441 \u043d\u0430 \u0430\u043a\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f.<\/li>\n\n\n\n<li>\u0410\u0437\u0431\u0443\u0447\u0435\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u043d\u0430 \u043f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u043d\u0438\u0442\u0435 \u0438\u0437\u0434\u0430\u043d\u0438\u044f \u043d\u0430 \u043a\u0438\u0440\u0438\u043b\u0438\u0446\u0430 &#8211; \u0432 \u043f\u0440\u043e\u0446\u0435\u0441 \u043d\u0430 \u0430\u043a\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f.<\/li>\n\n\n\n<li>\u0410\u0437\u0431\u0443\u0447\u0435\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u043d\u0430 \u043f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u043d\u0438\u0442\u0435 \u0438\u0437\u0434\u0430\u043d\u0438\u044f \u043d\u0430 \u043b\u0430\u0442\u0438\u043d\u0438\u0446\u0430 &#8211; \u0432 \u043f\u0440\u043e\u0446\u0435\u0441 \u043d\u0430 \u0430\u043a\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f.<\/li>\n\n\n\n<li>\u0421\u0438\u0441\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u2013 \u043e\u0442\u0440\u0430\u0437\u044f\u0432\u0430 \u043f\u043e\u0441\u0442\u044a\u043f\u043b\u0435\u043d\u0438\u044f\u0442\u0430 \u0434\u043e 2001 \u0433\u043e\u0434\u0438\u043d\u0430. <br>***<strong>\u0414\u043e 1991 \u0433.<\/strong> \u0438\u0437\u0431\u0440\u043e\u0435\u043d\u0438\u0442\u0435 \u043a\u0430\u0442\u0430\u043b\u043e\u0437\u0438 \u0441\u0430 \u0441\u0432\u043e\u0434\u043d\u0438 \u0441 \u0442\u0435\u0437\u0438 \u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0442\u0430 \u043f\u0440\u0438 \u0424\u0430\u043a\u0443\u043b\u0442\u0435\u0442\u0430 \u043f\u043e \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 \u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0442\u0438\u043a\u0430 \u043a\u044a\u043c \u0421\u0423 &#8222;\u0421\u0432. \u041a\u043b. \u041e\u0445\u0440\u0438\u0434\u0441\u043a\u0438&#8220;.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0417\u0430 \u0441\u043b\u0443\u0436\u0435\u0431\u043d\u043e \u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0435:<\/strong> <br>\u0422\u043e\u043f\u043e\u0433\u0440\u0430\u0444\u0441\u043a\u0438 \u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u043d\u0430 \u043a\u043d\u0438\u0433\u0438\u0442\u0435. &nbsp;<\/p>\n\n\n\n<p class=\"has-neve-text-color-color has-nv-text-dark-bg-background-color has-text-color has-background has-link-color has-medium-font-size wp-elements-c6a47eb19811d3c0110e3f9fabb4bab4\"><strong>\u041a\u0410\u0420\u0422\u041e\u0422\u0415\u041a\u0418<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041a\u0430\u0440\u0442\u043e\u0442\u0435\u043a\u0430 \u043d\u0430 \u0441\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u043d\u0430 \u043a\u0438\u0440\u0438\u043b\u0438\u0446\u0430 \u2013 \u0437\u0430 \u0441\u043b\u0443\u0436\u0435\u0431\u043d\u043e \u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0435. \u041a\u0430\u0440\u0442\u043e\u0442\u0435\u043a\u0430 \u043d\u0430 \u0441\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u043d\u0430 \u043b\u0430\u0442\u0438\u043d\u0438\u0446\u0430\u2013 \u0437\u0430 \u0441\u043b\u0443\u0436\u0435\u0431\u043d\u043e \u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0435.<\/li>\n\n\n\n<li>\u041a\u0430\u0440\u0442\u043e\u0442\u0435\u043a\u0430 \u043d\u0430 \u043f\u043e\u0440\u0435\u0434\u0438\u0446\u0438 \u043d\u0430 \u043a\u0438\u0440\u0438\u043b\u0438\u0446\u0430 \u2013 \u0437\u0430 \u0441\u043b\u0443\u0436\u0435\u0431\u043d\u043e \u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0435.<\/li>\n\n\n\n<li>\u041a\u0430\u0440\u0442\u043e\u0442\u0435\u043a\u0430 \u043d\u0430 \u043f\u043e\u0440\u0435\u0434\u0438\u0446\u0438 \u043d\u0430 \u043b\u0430\u0442\u0438\u043d\u0438\u0446\u0430 \u2013 \u0437\u0430 \u0441\u043b\u0443\u0436\u0435\u0431\u043d\u043e \u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0435.<\/li>\n\n\n\n<li>\u041a\u0430\u0440\u0442\u043e\u0442\u0435\u043a\u0430 \u043d\u0430 \u0434\u0438\u0441\u0435\u0440\u0442\u0430\u0446\u0438\u0438, \u0437\u0430\u0449\u0438\u0442\u0435\u043d\u0438 \u0432 \u0418\u041c\u0418 \u0434\u043e 1973 \u0433\u043e\u0434\u0438\u043d\u0430, \u043f\u0440\u0435\u0434\u0430\u0434\u0435\u043d\u0438 \u0437\u0430 \u0441\u044a\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0442\u0430.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover alignfull is-light has-parallax\" style=\"padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50);min-height:100vh;aspect-ratio:unset;\"><div class=\"wp-block-cover__image-background wp-image-605 size-large has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/www.math.bas.bg\/library\/wp-content\/uploads\/2026\/03\/DSCN8860-1024x609.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-base-background-color has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-26290c42 wp-block-cover-is-layout-constrained\">\n<div style=\"height:500px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-base-2-color has-contrast-background-color has-text-color has-background has-link-color wp-elements-4300c9f5bcfa0db979739b273c42ba1f\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-7a379edc wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-b1b80ead wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-right:0;flex-basis:60%\">\n<div class=\"wp-block-group is-vertical is-content-justification-stretch is-layout-flex wp-container-core-group-is-layout-628836ec wp-block-group-is-layout-flex\" style=\"min-height:100%\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"289\" data-id=\"34\" src=\"https:\/\/www.math.bas.bg\/library\/wp-content\/uploads\/2026\/02\/b7.jpg\" alt=\"\" class=\"wp-image-34\" style=\"object-fit:cover\" srcset=\"https:\/\/www.math.bas.bg\/library\/wp-content\/uploads\/2026\/02\/b7.jpg 600w, https:\/\/www.math.bas.bg\/library\/wp-content\/uploads\/2026\/02\/b7-300x145.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"has-medium-font-size\"><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-medium-font-size\">\u0414\u0440\u0430\u0433\u0438 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438, \u043f\u043e\u043c\u043e\u0433\u043d\u0435\u0442\u0435 \u043d\u0438 \u0434\u0430 \u043e\u0431\u043d\u043e\u0432\u0438\u043c \u043d\u0430\u0448\u0430\u0442\u0430 <strong>\u043a\u0430\u0440\u0442\u043e\u0442\u0435\u043a\u0430 \u0434\u0435\u0437\u0438\u0434\u0435\u0440\u0430\u0442\u0430<\/strong> \u0441  \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u043d\u0438 \u043e\u0442 \u0432\u0430\u0441 \u0437\u0430\u0433\u043b\u0430\u0432\u0438\u044f \u043d\u0430 \u043a\u043d\u0438\u0433\u0438 \u0438 \u043f\u0440\u043e\u0434\u044a\u043b\u0436\u0430\u0432\u0430\u0449\u0438 \u0438\u0437\u0434\u0430\u043d\u0438\u044f \u0437\u0430 \u0431\u044a\u0434\u0435\u0449\u043e \u043d\u0430\u0431\u0430\u0432\u044f\u043d\u0435&#8230;.<\/p>\n\n\n\n<p>\u0418\u0437\u043f\u0440\u0430\u0449\u0430\u0439\u0442\u0435 \u0412\u0430\u0448\u0438\u0442\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043d\u0430 <br>e-mail: <strong>library@math.bas.bg<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-medium-font-size\"><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u041e\u041d\u041b\u0410\u0419\u041d \u041a\u0410\u0422\u0410\u041b\u041e\u0413 \u041e\u043d\u043b\u0430\u0439\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u044a\u0442 \u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0442\u0430 \u043d\u0430 \u0418\u041c\u0418 \u0435 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441 \u043d\u0430 \u0440\u0435\u0442\u0440\u043e\u043a\u043e\u043d\u0432\u0435\u0440\u0441\u0438\u044f \u043e\u0442 2004 \u0433\u043e\u0434\u0438\u043d\u0430. \u0420\u0435\u0442\u0440\u043e\u043a\u043e\u043d\u0432\u0435\u0440\u0441\u0438\u044f\u0442\u0430 \u043e\u0431\u0445\u0432\u0430\u0449\u0430 \u0432\u0441\u0438\u0447\u043a\u0438 \u0440\u0435\u0441\u0443\u0440\u0441\u0438, \u043f\u043e\u043b\u0443\u0447\u0430\u0432\u0430\u043d\u0438 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0442\u0430, \u0434\u043e \u043c\u043e\u043c\u0435\u043d\u0442\u0430. \u0422\u043e\u0439 \u0435 \u0447\u0430\u0441\u0442 \u043e\u0442 \u0438\u0437\u0433\u0440\u0430\u0434\u0435\u043d\u0438\u044f \u043e\u0442 \u0426\u0435\u043d\u0442\u0440\u0430\u043b\u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043f\u0440\u0438 \u0411\u0410\u041d \u0435\u0434\u0438\u043d\u0435\u043d \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u0447\u0435\u043d \u043a\u0430\u0442\u0430\u043b\u043e\u0433, \u0441\u044a\u0433\u043b\u0430\u0441\u043d\u043e \u0438\u043d\u0442\u0435\u0433\u0440\u0438\u0440\u0430\u043d\u0430\u0442\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u0447\u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 ALEPH500. \u0411\u0438\u0431\u043b\u0438\u043e\u0433\u0440\u0430\u0444\u0441\u043a\u0438\u0442\u0435 \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u0430 \u0441\u043f\u043e\u0440\u0435\u0434 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 MARC21 \u0438 AACR2.\u041e\u0442 2010 \u0433. \u0435\u0434\u0438\u043d\u043d\u0438\u044f\u0442 \u043e\u043d\u043b\u0430\u0439\u043d&hellip;&nbsp;<a href=\"https:\/\/www.math.bas.bg\/library\/bg\/%d0%b7%d0%b0-%d0%b1%d0%b8%d0%b1%d0%bb%d0%b8%d0%be%d1%82%d0%b5%d0%ba%d0%b0%d1%82%d0%b0\/%d0%ba%d0%b0%d1%82%d0%b0%d0%bb%d0%be%d0%b7%d0%b8-%d0%b8-%d0%ba%d0%b0%d1%80%d1%82%d0%be%d1%82%d0%b5%d0%ba%d0%b8\/\" rel=\"bookmark\"><span class=\"screen-reader-text\">\u041a\u0430\u0442\u0430\u043b\u043e\u0437\u0438 \u0438 \u043a\u0430\u0440\u0442\u043e\u0442\u0435\u043a\u0438<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":42,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"on","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-15","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/pages\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":14,"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/pages\/15\/revisions"}],"predecessor-version":[{"id":1036,"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/pages\/15\/revisions\/1036"}],"up":[{"embeddable":true,"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/pages\/42"}],"wp:attachment":[{"href":"https:\/\/www.math.bas.bg\/library\/wp-json\/wp\/v2\/media?parent=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}