ALDASHEV, S. A. A CRITERION FOR THE UNIQUE SOLVABILITY OF THE POINCARE SPECTRAL PROBLEM IN A CYLINDRICAL DOMAIN FOR ONE CLASS OF MULTIDIMENSIONAL ELLIPTIC EQUATIONS. Journal of Numerical and Applied Mathematics, [S. l.], n. 3 (132), p. 5–14, 2019. DOI: 10.17721/2706-9699.2019.3.01. Disponível em: https://jnam.knu.ua/index.php/jnam/article/view/76. Acesso em: 6 oct. 2026.