КОФАНОВ, Володимир Олександрович. The Bojanov-Naidenov problem for the functions with non-symmetric restrictions on the oldest derivative. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 3, p. 368–381, 2021. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/254. Acesso em: 14 apr. 2025.