РЕДКОЛЕГІЯ, . Oleksandr Mykolaiovych Sharkovs’kyi (on his 85th birthday). Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 74, n. 1, p. 137–140, 2022. DOI: 10.37863/umzh.v74i1.7105. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7105. Acesso em: 5 dec. 2025.