Чудик ІІ. IMPROVEMENT OF THE MATHEMATICAL MODEL OF THE SINGLE-SUPPORT NON-DIRECTIONAL BOTTOM-HOLE ASSEMBLIES. ogpe [Internet]. 2013 Feb. 10 [cited 2024 Apr. 29];(2(20):61-9. Available from: https://nge.nung.edu.ua/index.php/nge/article/view/223