TY JOUR TI Theoretical Description of Processes and Relationships in the Absorbing Devices of Traction Units KW analytical model KW draft gear KW deformation JO Proceedings of Petersburg Transport University AU Ripol'-Saragosi, T.L. AU Ripol'-Saragosi, L.F. AU Yaickov, I.A. PY 2026 IS 23 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"