JOVEINI, F.; AKBARI, M. Schwarz problem in lens and half lens. Eurasian Mathematical Journal, [S. l.], v. 10, n. 2, p. 49–64, 2019. DOI: 10.32523/2077-9879-2019-10-2-49-64. Disponível em: https://emj.enu.kz/index.php/main/article/view/146. Acesso em: 15 nov. 2026.