00457naa#a2200157#i#450# EN\\bibl\83148 20241104050209.1 2542-1840 20240516b2024####ek#y0engy0150####ca RU Contractual Responsibility of Marketplaces Journal article Kemerovo Kemerovo State University 2024 9 с. Journal article local Abrosimova Elena Antonovna vestnik-pses.kemsu.ru