ALDASHOV, S. A. A criterion for the unique solvability of the spectral Dirichlet problem in a cylindrical domain for a class of multidimensional elliptic equations. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 96, n. 4, p. 23–30, 2018. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/566. Acesso em: 22 jul. 2024.