TymokhaO. M., NikitinA. G., PortenkoA. G., MykhailetsV. A., and AntonioukO. V. “Anatolii Naumovych Kochubei (to his75th Birthday)”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 8 (September 4, 2024): 1250 - 1253. Accessed September 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8453.