00633naa#a2200181#i#450# EN\\bibl\81784 20241212010225.4 2412-9186 20150625b2015####ek#y0engy0150####ca RUS RU On reducing the CPU time for simulating of railway automation and remote control systems circuit diagrams in NGSPICE environment Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2015 11 с. Journal article local . 004.942:656.25 RUS Novikov D V atjournal.ru