REPETYLO, S. M.; HLYNSKY, Ya. M. REGULARIZATION OF THE BOUNDARY–VALUE PROBLEM WITH MIXED CONDITIONS FOR A SECOND ORDER HYPERBOLIC EQUATION. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 16(60), p. 11–19, 2021. DOI: 10.31471/2304-7399-2021-16(60)-11-19. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/1705. Acesso em: 25 apr. 2024.