Vertical vibrations of traction engine with viscoelastic suspension Sayibdjan Mirzaev, Majid Yusupov, Barna Rakhmankulova, Feruza Umarova and Gulnaz Abdikayimova E3S Web of Conf., 365 (2023) 01022 Published online: 30 January 2023 DOI: 10.1051/e3sconf/202336501022