Gorbachuk, M. L., V. É. Lyantse, A. I. Markovskii, V. A. Mikhailets, and A. M. Samoilenko. “Yaroslav Borisovich Lopatinsky (09.11.1906 - 03.10.1981)”. Ukrains’kyi Matematychnyi Zhurnal 58, no. 11 (November 25, 2006): 1443–1445. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/3545.