For citations:

Pevzner V.O., Zenzinov B.N., Klement'ev K.V. On the need to complement the norms on easement for gauge width. RUSSIAN RAILWAY SCIENCE JOURNAL. 2017;76(1):45-50. (In Russ.) https://doi.org/10.21780/2223-9731-2017-76-1-45-50