BRAICHEV, G. On Stolz’s theorem and its conversion. Eurasian Mathematical Journal, [S. l.], v. 10, n. 3, p. 08–19, 2019. DOI: 10.32523/2077-9879-2019-10-3-08-19. Disponível em: https://emj.enu.kz/index.php/main/article/view/151. Acesso em: 15 nov. 2026.