GORBACHUK, M. L.; LYANTSE, V. É.; MARKOVSKII, A. I.; MIKHAILETS, V. A.; SAMOILENKO, A. M. Yaroslav Borisovich Lopatinsky (09.11.1906 - 03.10.1981). Ukrains’kyi Matematychnyi Zhurnal, v. 58, n. 11, p. 1443-1445, 25 Nov. 2006.