从敦煌文献看9世纪后的西州--兼论吐鲁番出土回鹘文木杵文书年代和沙州回鹘的兴衰

• Xi - Zhou's Situation after 9th Century: Date to the Uighur Wooden Slip from Turfan and the Sha- Zhou Uighur Based on the Dunhuang Manuscripts