00567naa#a2200181#i#450# EN\\bibl\67451 20240920034636.5 2074-1626 20120925b2012####ek#y0engy0150####ca RUS RU SOME QUESTIONS CONNECTED WITH PROPERTY GRATUITOUSNESS USAGE CONTRACT Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2012 5 с. Journal article local Ytkin N I Cherepanova Y E journals.igps.ru