GERCEK, O. Well-posedness of elliptic-parabolic differential problem with integral condition. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 120, n. 4, p. 125–133, 2025. DOI: 10.31489/2025m4/125-133. Disponível em: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/1158. Acesso em: 16 jan. 2026.