ALDASHEV, S. A. Dirichlet and Poincare in the multidimensional field for a class of singular hyperbolic equations. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 92, n. 4, p. 20–31, 2018. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/450. Acesso em: 22 dec. 2024.