Rationing of the number of signals and interlockings in the operational stock of railway stationsIryna Lebid, Dmitrii Shevchenko, Irina Kravchenya, Nataliia Luzhanska, Georgii Prokudin and Myroslav OliskevychMATEC Web Conf., 294 (2019) 05007DOI: https://doi.org/10.1051/matecconf/201929405007