00545naa#a2200169#i#450# EN\\bibl\66402 20241125191204.1 2074-1618 20190325b2019####ek#y0engy0150####ca RUS RU HISTORICAL AND LEGAL ETYMOLOGY OF CONCEPTS «REUNION OF UKRAINE WITH RUSSIA» Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2019 3 с. Journal article local Suslina I A journals.igps.ru