Savchuk, O. M., O. H. Reidemeister, K. B. Savchenko, and O. O. Shykunov. “THE ALGORITHM FOR SOLVING THE PROBLEM CONTACT OF THE WHEEL SAND RAILS”. Science and Transport Progress , no. 13 (December 25, 2006): 131–133. Accessed May 6, 2024. https://stp.ust.edu.ua/article/view/18325.