TY JOUR TI COMPOSITIONAL FEATURES AND FORM-CREATIVE BASIS OF LENINGRAD CONSTRUCTIVISM ARCHITECTURE KW constructivist architecture KW Leningrad avant-garde KW volumetric-spatial composition KW shape formation KW compositional features KW the building of the Levashovsky bakery KW the building of the Kirov district council KW the Kirov Palace of Culture JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Pavlov, A.A. AU Bergman, A.V. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov