Сеничак, В. В. “THE DISCRETE MODELS AND ACCELERATED ALGORITHMS FOR THE ELLIPTIC TYPE BOUNDARY PROBLEM NUMERICAL SOLUTION”. METHODS AND DEVICES OF QUALITY CONTROL, no. 2(39) (September 27, 2017): 91–97. Accessed May 19, 2024. https://mpky.nung.edu.ua/index.php/mpky/article/view/413.