Pylypaka, S., and A. Nesvidomin. “Construction of Geodesic Lines As Boundary Trajectorys of Material Particles Movement on the Surface”. Energy and Automation, no. 2 (June 11, 2022): 94–100. Accessed March 29, 2026. https://journals.nubip.edu.ua/index.php/Energiya/article/view/energiya2022.02.094.