TY JOUR TI ARCHITECTURAL AND PLANNING ASPECTS DETERMINING PERSPECTIVE OPTIONS FOR FORMING A NEW ADMINISTRATIVE BUSINESS CENTER OF TYUMEN KW administrative and business center KW planning structure KW master plan KW zoning of the territory KW architectural and planning environment of the city JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Ivanova, O.A. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov