Овчар, Ігор Євгенійович. “THEOREM OF BOREL TYPE FOR WHOLE ROWS DIRIHLE WITH ARBITRARY COMPLEX SEQUENCE OF INDEXES”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 1(33) (February 16, 2019): 93–102. Accessed April 10, 2025. https://pvntsh.nung.edu.ua/index.php/number/article/view/105.