Савка, Іван Ярославович, and Михайло Михайлович Симотюк. “CONJUGATION PROBLEM WITH INTEGRAL CONDITION WITH RESPECT TO TIME FOR MIXED PARABOLIC- HYPERBOLIC TYPE EQUATION”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 1(29) (February 26, 2019): 72–77. Accessed December 6, 2025. https://pvntsh.nung.edu.ua/index.php/number/article/view/141.