TY JOUR TI Intra-city Railway Connection Within the “core” of Agglomeration KW passenger KW intra-city traffic KW agglomeration KW passenger traffic KW zone station JO Bulletin of scientific research results AU Kalmykov, M.Y. AU Korovyakovskiy, E.K. AU Sholtysek, J.A. PY 2022 IS 2022 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"