ASSANOVA, A.; TOKMURZIN, Z. A Nonlocal Multipoint Problem for a System of Fourth-Order Partial Differential Equations. Eurasian Mathematical Journal, [S. l.], v. 11, n. 3, 2020. Disponível em: https://emj.enu.kz/index.php/main/article/view/184. Acesso em: 19 nov. 2024.