TYMOKHA, O. M.; NIKITIN, A. G.; PORTENKO, A. G.; MYKHAILETS, V. A.; ANTONIOUK, O. V. Anatolii Naumovych Kochubei (to his75th birthday). Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 76, n. 8, p. 1250–1253, 2024. DOI: 10.3842/umzh.v76i8.8453. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8453. Acesso em: 14 apr. 2025.