%0 Journal Article %T THEORETICAL BASES OF MODELLING OF SAFETY OF SOCIAL AND ECONOMIC SYSTEMS %A Matveev, A.V. %A Maksimov, A.V. %K social and economic systems, safety, modelling, descriptive model, normative model, formalization, survivability, threatening %J NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) %D 2014 %N 2014 %P 7 %I Saint-Petersburg University of State Fire Service of Emercom of Russia