TY JOUR TI APPROACH TO THE MODELING THE PROCESS OF PEOPLE EVACUATION ON THE BASIS OF THE FUZZY PETRI NETS KW evacuation of people KW modeling KW graph theory KW fuzzy Petri nets JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Kalinina, E.S. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia