TY JOUR TI INTEGRAL MATHEMATICAL MODEL FOR ASSESSING THE STATUS AND EFFICIENCY OF THE FUNCTIONING OF THE CRISIS MANAGEMENT CENTERS OF THE EMERCOM OF RUSSIA KW integral mathematical model KW assessment of the state KW assessment of the effectiveness of functioning KW crisis management center KW management KW organizational systems JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Shchastyantsev, V.A. AU Bilyatdinov, K.Z. PY 2025 IS 2025 PB Saint-Petersburg University of State Fire Service of Emercom of Russia