SHARIFOV, Y.A.; MAMMADLI, A.R. Studying a system of non-local condition hyperbolic equations. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 120, n. 4, p. 163–179, 2025. DOI: 10.31489/2025m4/163-179. Disponível em: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/1165. Acesso em: 16 jan. 2026.