Pliska Studia Mathematica

Volume 28, 2017

The present issue, which is an English version of the paper Summation by Euler's transform of the series of Dirchlet, factorial series and the series of Newton, Annuaire Univ. Sofia, Phys.-math., fac. 1 (1939), 1−148 of Nikola Obrechkoff (1896−1963), is published on the occasion of 120 years from his birth, the 70-th anniversary of the Institute of Mathematics and Informatics of Bulgarian Academy of Sciences and 310 years from the birth of Leonard Euler (1717−1783)

GUEST EDITORS: Bl. Sendov, I. Dimovski, V. Kiryakova

• Russev, P. Preface (pp. 3−5)
• Obrechkoff, N. Summation by Euler's transform of the series of Dirichlet, factorial series and the series of Newton (pp. 7−127)
• Russev, P. Addendum (pp. 128−132)