KoshlyakovV. N., MitropolskiyYu. A., SamoilenkoA. M., and UrbanskyV. M. “Oleksii Mykolajovych Boholyubov (on His 90th Birthday)”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 3 (March 25, 2001): 294-295. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4251.