TY JOUR TI PROCESS OF MANAGEMENT AND DECISION-MAKING OF STOCHASTIC METHODS IN THE CONDITIONS OF EMERGENCY SITUATIONS KW decision making optimization KW mathematical modeling KW perkolyatsionny models KW finite Markov chains JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Motorygin, Y.D. AU Litovchenko, I.O. AU Grechukha, N.M. PY 2016 IS 2016 PB Saint-Petersburg University of State Fire Service of Emercom of Russia