TY CONF TI METHODS FOR DETERMINING THE CAPACITY OF A RAILWAY LINE WITH MIXED TRAFFIC KW railway line KW simulation modeling KW analytical calculations KW comparison of results JO INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "MANAGEMENT OF OPERATIONAL WORK IN TRANSPORT" (UERT-2022) AU Marchenko, M.A. AU Pokrovskaya, O.D. PY 2022 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"