Moisyshyn, V. M., Vekeryk V. І., and S. M. Landar. “MATHEMATICAL MODEL OF TORSIONAL OSCILLATIONS DRILLING COLUMN WITH FLEXIBLE COUPLING IN COMPOSITION”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 18(68) (December 1, 2023): 120–127. Accessed November 21, 2024. https://pvntsh.nung.edu.ua/index.php/number/article/view/1882.