00689naa#a2200181#i#450# EN\\bibl\53009 20241125091056.1 2223-9987 20220922b2022####ek#y0engy0150####ca RU Substantiation for Maintenance and Repair System for Promising Structure of High-Speed Railway Tracks Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2022 8 с. Journal article local Железные дороги широкой колеи. 625.35 Bel'tyukov Vladimir Petrovich Andreev Andrey Viktorovich atjournal.ru