TY JOUR TI MATHEMATICAL MODELS OF THE DEPENDENCE OF THE STRUCTURAL AND DEFORMATION-STRENGTH PROPERTIES OF THE GYPSUM-WOOD COMPOSITE ON THE COMPONENT COMPOSITION KW gypsum-wood composite KW urea-formaldehyde resin KW mathematical models KW structural and deformation-strength properties KW microstructure KW deformability JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Lukuttsova, N.P. AU Pykin, A.A. AU Lukash, A.A. AU Shvachko, S.N. AU Krasnyy, V.S. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov