MidodashviliB. and KharibegashviliS. (2019) “On the existence, uniqueness, and nonexistence of solutions of one boundary-value problem for a semilinear hyperbolic equation”, Ukrains’kyi Matematychnyi Zhurnal, 71(8), pp. 1123-1132. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1503 (Accessed: 6October2024).