TY JOUR TI HISTORICAL REVIEW OF DESIGN DEVELOPMENT OF MOTOR CAR GEARBOXES KW transmission KW gearbox KW manual gearbox KW infinitely variable gearbox KW variator (variable-speed gear) KW robotized transmission JO Bulletin of Bryansk state technical university AU Kuchkarov , V.. AU Demidov , D.. PY 2017 IS 2017 PB Bryansk State Technical University