Gorbachuk, M. L., P. V. Zaderei, I. O. Lukovsky, Yu. A. Mitropolskiy, A. S. Romanyuk, V. I. Rukasov, A. M. Samoilenko, A. S. Serdyuk, and I. A. Shevchuk. “Alexander Ivanovich Stepanets”. Ukrains’kyi Matematychnyi Zhurnal 59, no. 12 (December 25, 2007): 1722-1724. Accessed April 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3427.