00628naa#a2200181#i#450# EN\\bibl\81897 20250122080233.3 2412-9186 20180925b2018####ek#y0engy0150####ca RUS RU Features of the functioning of technical diagnosis and monitoring systems of railway infrastructure objects Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2018 21 с. Journal article local . 681.518.5+656.2 RUS Efanov Dmitriy Viktorovich itt-pgups.ru