по настоянию(because of being asked or ordered by someone (Britannica Dictionary) • at the behest of the Russian governmentART Vancouver); по приказу(because of being asked or ordered by someone (Britannica Dictionary) • at the behest of the Russian governmentART Vancouver); по настоятельной просьбе(because of being asked or ordered by someone (Britannica Dictionary) • at the behest of the Russian governmentART Vancouver)