TY JOUR TI ASSESSMENT OF THE MAIN INDICATORS OF ECONOMIC SECURITY OF NEW ENTITIES OF THE RUSSIAN FEDERATION TO THE BEGINNING OF THE “TRANSITION PERIOD” OF INTEGRATION TO THE ECONOMY OF THE RUSSIAN FEDERATION KW railways of new constituent entities of the Russian Federation KW economy of new constituent entities of the Russian Federation KW Novorossiya KW economic security KW railway transport KW transport system JO MOSCOW ECONOMIC JOURNAL AU Schipanova, A.N. PY 2024 IS 9 PB Electronic science