TY JOUR TI Methodological Aspects of the Organization of Freight Transportation by Rail in the Development Projects of the Eastern Polygon Considering Risks of Infrastructure Constraints KW Organization of freight rail transportation KW Eastern polygon KW risks of infrastructure restrictions KW forecast model JO Bulletin of scientific research results AU Zhuravleva, N.A. AU Umanec, V.V. PY 2023 IS 2023 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"