00569naa#a2200181#i#450# EN\\bibl\68620 20240701091414.1 2307-7476 20141225b2014####ek#y0engy0150####ca RUS RU THEORETICAL BASES OF MODELLING OF SAFETY OF SOCIAL AND ECONOMIC SYSTEMS Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2014 7 с. Journal article local Matveev A V Maksimov A V journals.igps.ru