Korzyuk VI, Rudzko JV. Mild solution of a mixed problem for a third-order semilinear hyperbolic equation with the wave operator. Журнал Белорусского государственного университета. Математика. Информатика. 2026;(3):15-28. Accessed July 17, 2026. https://journals.bsu.by/index.php/mathematics/article/view/7319