TY JOUR TI MATHEMATICAL MODEL TO ISSUES OF FORMING DECISIONS IN THE AIM OF DECREASING AMOUNT OF LOSS OF EMERGENCIES IN THE TRANSPORT NETWORK KW clusterization KW alternative solutions KW decision characteristics KW transport network KW emergencies JO Problems of risk management in the technosphere AU Maslakov, M.D. AU Chernykh, A.K. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia