ASSANOVA, A.; SABALAKHOVA, A. On the unique solvability of nonlocal problems with integral conditions for a hybrid system of partial differential equations. Eurasian Mathematical Journal, [S. l.], v. 9, n. 3, 2024. Disponível em: https://emj.enu.kz/index.php/main/article/view/121. Acesso em: 5 oct. 2024.