TY JOUR TI SOLUTION OF THE TASK OF OPTIMIZING THE LOCATION OF THE ELEMENTS OF THE GROUPING OF THE FORCES FOR THE LIQUIDATION OF THE CONSEQUENCES OF EMERGENCIES OF THE RSES KW location selection problem KW solution methods KW nonlinear optimization problems KW exhaustive method KW gradient descent method KW genetic algorithm JO Problems of risk management in the technosphere AU Gorbunov, A.A. AU Shangin, V.N. AU Ponomorchuk, A.Y. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia