RAMAZANOV, M.I.; GULMANOV, N.K.; KOPBALINA, S.S. Solution of a two-dimensional parabolic model problem in a degenerate angular domain. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 111, n. 3, p. 91–108, 2023. DOI: 10.31489/2023m3/91-108. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/586. Acesso em: 4 sep. 2025.