NAJAFOV, Alik M. Smooth Solutions of a Class of Quasielliptic Equations. Sarajevo Journal of Mathematics, [S. l.], v. 3, n. 2, p. 193–206, 2024. DOI: 10.5644/SJM.03.2.06. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/389. Acesso em: 27 nov. 2024.