OSPANOV, K.; YESKABYOLVA, Z.; BEKJAN, T. N. The solvability results for the third-order singular non-linear differential equation. Eurasian Mathematical Journal, [S. l.], v. 10, n. 4, 2024. Disponível em: https://emj.enu.kz/index.php/main/article/view/165. Acesso em: 5 oct. 2024.