00518naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200005400094210004600148215001000194608002700204675005400231700003600285856002700321EN\\bibl\4034720250406225831.7##a2542-1840##a20201106b2020####ek#y0engy0150####ca##aRU1#aCancellation of Service ContracteJournal article1#aKemerovocKemerovo State Universityd2020##a7 с.##aJournal article2local##aПраво. Юридические науки. 34#1aKichigingSergey Vladislavovich4#ajstrategizing.kemsu.ru