00623naa#a2200169#i#450# EN\\bibl\20136 20260629044910.1 20260625b2026####ek#y0engy0150####ca RU Development of an Accessible Environment in a Megacity Conference article/thesis Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 6 с. Conference article/thesis local Пассажирские станции. 656.211 Nikiforova Guzel' Islyamovna Nikiforova Dina Vladislavovna atjournal.ru