TY JOUR TI INTELLIGENTSIA AS THE MAIN SOURCES OF PHILOSOPHICAL KNOWLEDGE IN RUSSIA XIX - EARLY XX CENTURIES KW intelligence KW philosophy KW education JO Psychological and pedagogical problems of human and social security AU Vlasova, I.V. AU Kuznicyna, S.L. AU Vlasova, T.V. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia