JENALIYEV, M.T.; KASSYMBEKOVA, A.S.; YERGALIYEV, M.G.; ASSETOV, A.A. An initial boundary value problem for the Boussinesq equation in a Trapezoid. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 106, n. 2, p. 117–127, 2022. DOI: 10.31489/2022m2/117-127. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/527. Acesso em: 4 sep. 2025.