00590naa#a2200193#i#450# EN\\bibl\67776 20250504062903.7 2074-1626 20180625b2018####ek#y0engy0150####ca RUS RU A LARGE-SCALE EMERGENCY SITUATION AS A LEGAL FACT IN CIVIL LAW Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2018 5 с. Journal article local Menshikov A V Shangin V N Tkachev P A journals.igps.ru