TY JOUR TI WORK PLANNING PROCESS OF THE TRANSPORT SYSTEM TAKING INTO ACCOUNT REQUIREMENTS FOR NETWORK OPTIMIZATION MODELS KW planning KW freight transportation KW transportation system KW model KW requirements. JO Modern Technologies and Scientific and Technological Progress AU Lebedeva, O.A. PY 2019 IS 2019 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»