Kropyvnytska, Vitaliai, Andrii Lahoida, Taras Humenuik, and Georgiy Sementsov. “Modeling of Dynamic Stability of the Well Deepening Process Based on the Catastrophe Theory”. Eastern-European Journal of Enterprise Technologies 4, no. 3 (94) (July 31, 2018): 36–46. Accessed July 28, 2024. https://journals.uran.ua/eejet/article/view/139907.