@article{Novikov2015on,
author={Novikov, D.V.},
title={On reducing the CPU time for simulating of railway automation and remote control systems circuit diagrams in NGSPICE environment},
journal={Transport automation research},
publisher={FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"},
year={2015},
pages={168-179},
volume={1},
issue={2},
}