ASSANOVA, A. .; KOBEYEVA, Z.; MEDETBEKOVA, R. Boundary value problem for hyperbolic integro-differential equations of mixed type. Eurasian Mathematical Journal, [S. l.], v. 16, n. 2, p. 08–22, 2025. Disponível em: https://emj.enu.kz/index.php/main/article/view/753. Acesso em: 31 oct. 2025.