00564naa#a2200169#i#450# EN\\bibl\122107 20260818094430.2 1998-6785 20230621b2023####ek#y0engy0150####ca RU Sakhalin offshore projects and discussions in Russia about the "Shared Production Agreement" (1990s) Journal article Vladivostok Vladivostok State University 2023 13 с. Journal article local Всеобщая история. 94 Vashchuk Angelina S. vvgu.editorum.ru