00638naa#a2200169#i#450# EN\\bibl\104340 20250927142109.6 1815-588X 20250919b2025####ek#y0engy0150####ca RU Predicting Suburban Passenger Traffic Flows Using the Fourier Series Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 8 с. Journal article local Управление пассажирскими перевозками. 656.072 Smirnov Sergey Sergeevich izvestiapgups.editorum.ru