TY JOUR TI Assessment of the possibility of modernization of passenger cars for freight transportation on high-speed lines KW cargo-passenger high-speed railway KW freight rolling stock for high-speed railway KW conversion of passenger cars into freight cars KW use of Jacobs bogies KW bogies with variable gauge KW sliding wheel pairs KW high-speed freight trains JO Bulletin of scientific research results AU Kononov, D.P. AU Budyukin, A.M. AU Kondratyenko, V.G. PY 2024 IS 2024 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"