TY JOUR TI REVIEW OF MODERN SYSTEMS OF SUPPORT OF MAKING MANAGERIAL DECISIONS IN CONDITIONS OF EMERGENCIES KW management decision KW decision support system KW emergency situation KW national security KW modeling JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Zybin, D.G. AU Kalach, A.V. AU Bokadarov, S.A. PY 2018 IS 2018 PB Saint-Petersburg University of State Fire Service of Emercom of Russia