Obituary: Vasyl Ivanovych Andriychuk (18.09.1948–7.07.2012)
Taras Banakh; Fedor Bogomolov; Andrij Gatalevych; Ihor Guran; Yurij Ishchuk; Mykola Komarnytskyi; Igor Kuz; Ivanna Melnyk; Vasyl Petrychkovych; Yaroslav Prytula; Oleh Romaniv; Oleh Skaskiv; Ludmyla Stakhiv; Georgiy Sullym; Bohdan Zabavskyi; Volodymir Zelisko; Mykhajlo Zarichnyi — 2013
Open Mathematics