Medvid, O. M., Savka, I. Y. ., & Tymkiv, I. R. . (2019). CONJUGATION PROBLEM WITH MULTIPOINT CONDITIONS FOR MIXED HYPERBOLIC TYPE EQUATIONS: Array. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, (1(53), 21–28. https://doi.org/10.31471/2304-7399-2019-1(53)-21-28