TY JOUR TI Quality assessment of railway automatics and telemechanics maintenance systems KW systems of automation and remote control KW signalling and interlocking distance KW reliability KW risk matrix KW train outage hours KW operating ratio KW maintenance and repair JO Transport automation research AU Gorelik, A.. AU Taradin, N.. AU Veselova, A.. AU Soldatov, D.. PY 2017 IS 3 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"