00621naa#a2200181#i#450# EN\INFRA-M\bibl\38305 20250113013351.1 2500-0489 20200616b2020####ek#y0engy0150####ca RU Comfort and cost when transporting passengers by rail: world experience Journal article Moscow INFRA-M Academic Publishing LLC. 2020 4 с. Journal article local Общие вопросы математических и естественных наук. 50 Vahrusheva D. I. Petrova L. A. naukaru.ru