Мойсишин, Василь Михайлович. 2019. “DYNAMIC FIRMNESS OF BOTTOM OF BORING COLUMN WITHOUT INTERMEDIATE AND WITH INTERMEDIATE ELEMENTS IN ARRANGEMENT”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 1(1) (March):43-55. https://pvntsh.nung.edu.ua/index.php/number/article/view/341.