Berezansky, Y.M., Gerasimenko, V.I., Kochubei, A.N., Mikhailets, V.A., Nizhnik, L.P., Samoilenko, A.M., Samoilenko, Y.S. and Khruslov, E.Y. 2013. Myroslav L’vovych Horbachuk (on his 75 th birthday). Ukrains’kyi Matematychnyi Zhurnal. 65, 3 (Mar. 2013), 451-454.