Andriy Chaban and Tomasz Perzyński 2021. Mathematical Modelling of Oscillatory Processes in Transmission of Movement of an Electric Drive with Non-Linear Long Elastic Elements. Communications - Scientific letters of the University of Zilina. 23, 2 (Apr. 2021), C54-C64. DOI:https://doi.org/10.26552/com.C.2021.2.C54-C64.