TY JOUR TI Features of the application of didactic principles of teaching process at Saint-Petersburg university of State fire service of EMERCOM of Russia KW improvement of the educational process KW system of didactic principles JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Shlenkov, A.V. AU Greshnyh, A.A. AU Zaykin, R.G. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia