Симотюк, Михайло Михайлович, and Дмитро Володимирович Хом’як. “INTEGRAL PROBLEM FOR LOADED HYPERBOLIC EQUATION”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 1(29) (February 26, 2019): 78–89. Accessed January 30, 2026. https://pvntsh.nung.edu.ua/index.php/number/article/view/142.