%0 Journal Article %T Refinement of the Mathematical Model of Inter-Car Coupling with Spring-Friction Absorbing Devices for the Study of Longitudinal Vibrations of a Freight Train %A Bespal'ko, S.V. %A Zhuhin, N.O. %A Pudovikov, O.E. %K Mathematical model of the train, mathematical model of the absorbing device, inter-car couplings of the train, longitudinal forces in the train, longitudinal train dynamics, absorbing device %J Bulletin of scientific research results %D 2023 %N 2023 %P 16 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"