00589naa#a2200181#i#450# EN\\bibl\22126 20250108025326.3 2312-4431 20181227b2018####ek#y0engy0150####ca RUS RU THE INSTITUTE OF THE MARRIAGE CONTRACT IN RUSSIA Journal article Cheboksary Non-state educational private institution of additional professional education "Expert-methodological centre" 2018 4 с. Journal article local Gdalevich Irina A. Borodkina Svetlana E. naukaru.ru