00673naa#a2200181#i#450# EN\RIOR\bibl\4188 20241124075348.7 20200521b2020####ek#y0engy0150####ca RU CURRENT ISSUES OF CIVIL LEGAL REGULATION OF OBLIGATIONS: THE CONCEPT, BASIS OF ORIGIN AND TYPES Conference article/thesis Moscow Publishing Center RIOR 2020 4 с. Conference article/thesis local Право. Юридические науки. 34 Право. Юридические науки. 67 bbk Tischenko Irina Viktorovna Bilinskiy Artur Romanovich riorpub.com