TY JOUR TI SIMULATION OF DISTRIBUTION OF FORCES AND MEANS UNITS OF STATE FIRE SERVICE OF EMERCOM OF RUSSIA FOR GAS TRANSPORTATION SYSTEM KW distribution of forces and resources units of EMERCOM of Russia KW mathematical models KW gas transportation system JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Chernykh, A.K. AU Budanov, D.S. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia