On the 100th birthday of Major Pylypovych Timan (30.08.1923 – 19.09.2019) - Timokha, O. M.; Motornyi, V. P.; Shevchuk, I. O.; Vakarchuk, S. B.; Zaderei, P. V.; Kofanov, V. O.; Parfinovych, N. V.; Romanyuk, A. S.; Serdyuk, A. S.; Sokolenko, I. V. (Ukrains’kyi Matematychnyi Zhurnal, 2023)