Zhuravkov, M. A., Savchuk, V. P., & Nikolaitchik, M. A. (2021). Analytical model of skip motion taking into account influence of head and balancing ropes. Journal of the Belarusian State University. Mathematics and Informatics, 2, 105-113. https://doi.org/10.33581/2520-6508-2021-2-105-113