TY JOUR TI MATHEMATICAL APPARATUS FOR CALCULATING STRUCTURAL SOLUTIONS OF THE GASIFICATION INSTALLATION KW gasification KW poultry farming KW construction KW basic elements KW structural solutions JO Vestnik of Kazan State Agrarian University AU Ziganshin, B.G. AU Fahreev, N.N. AU Baigildeeva, E.I. AU Gayfullin, I.. PY 2023 IS 18 PB Kazan state agrarian University