TY JOUR TI AUTOMATION OF CONTROL PROGRAM DEVELOPMENT FOR NC MACHINES IN DIFFERENT CAD WITH USE OF INFORMATION TECHNOLOGICAL ENVIRONMENT KW JO Bulletin of Bryansk state technical university AU D'yachenko, E.P. AU Rybakov, A.V. AU D'yachenko, E.N. AU Sheptunov , S.. PY 2017 IS 2017 PB Bryansk State Technical University