00461naa#a2200157#i#450# EN\\bibl\23320 20240615133409.6 2542-1840 20180525b2018####ek#y0engy0150####ca RU THE LEGAL NATURE OF NOVATION AS TERMINATION OF OBLIGATION Journal article Kemerovo Kemerovo State University 2018 5 с. Journal article local Podgorbunskaya N. O. jcenter.kemsu.ru