TYMKIV, I. R.; SAVKA, I. Ya.; DZIUBA, M. V. A TWO-POINT PROBLEM FOR A FOURTH-ORDER THE HYPERBOLIC EQUATION WITH THE BESSEL OPERATOR. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 19(73), p. 47–56, 2024. DOI: 10.31471/2304-7399-2024-19(73)-47-56. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/2009. Acesso em: 15 jan. 2025.