ZadereiP. V., LukovskyI. O., MakarovV. L., MitropolskiyY. A., RomanyukA. S., RomanyukV. S., RukasovV. I., SamoilenkoA. M., SerdyukA. S. and ShevchukI. A. (2002) “Oleksandr Ivanovych Stepanets’ (on his 60-th birthday)”, Ukrains’kyi Matematychnyi Zhurnal, 54(5), pp. 579-580. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4096 (Accessed: 27July2024).