TY JOUR TI BRAKING SYSTEM FOR BOGIE SUCCESSIVE BRAKING OF FREIGHT CARS KW leverage KW brake cylinder KW brake shoe KW wheel wear KW aggregate output of stock and screw KW bogie successive braking KW freight car JO Bulletin of Bryansk state technical university AU Sinicyn, V.V. AU Kobishchanov, V.V. PY 2020 IS 2020 PB Bryansk State Technical University