00631naa#a2200169#i#450# EN\\bibl\104350 20251010224615.5 1815-588X 20250919b2025####ek#y0engy0150####ca RU Digital Network Modelling for Railway Transport Sector at the Intersection with Other Digital Networks Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 9 с. Journal article local Радиотелеграфная связь. 654.164 Lobeev Dmitriy Petrovich itt-pgups.ru