Бойко, Василь Степанович, Леонід Миколайович Кеба, Роман Федорович Лагуш, and Роман Володимирович Грибовський. “METHOD OF OPTIMIZATION OF OFFICE HOURS OF FONTAN MINING HOLES SUBJECT TO THE CONDITION LIMITED AND UNLIMITED DEBITS ON THE BASIS OF MODEL OF GIDROGASMECHANIC GAS LIQUID STREAMS”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 1(9) (March 7, 2019): 162–170. Accessed December 6, 2025. https://pvntsh.nung.edu.ua/index.php/number/article/view/293.