TY JOUR TI OPTIMIZATION OF SYNTHESIS MODES OF ADDITIVES BASED ON AMORPHOUS ALUMINOSILICATES KW amorphous aluminosilicates KW dry building mixture KW modifying additives KW optimization JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Zhegera, K.V. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov