Reidemeister, A. G., and S. I. Levytska. “STABILITY OF MOTION OF RAILWAY VEHICLES DESCRIBED WITH LAGRANGE EQUATIONS OF THE FIRST KIND”. Science and Transport Progress , no. 5(77) (November 23, 2018): 93–103. Accessed April 28, 2024. https://stp.ust.edu.ua/article/view/148023.