TY CONF TI LEO TOLSTOY AND GYMNASTICS KW bodily practices of the 19th century KW gymnastics KW methodology of introspection KW diaries of Leo Tolstoy JO THE TRANSCENDENCE OF BEING: THE IDEALS OF THE COGNITION OF TRUTH AU Volvenkin, M.N. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov