《资治通鉴·唐纪·唐纪三十二》
十一月乙未，吐火罗叶护失里怛伽罗派遣使者上表说： 师王依附于叶蕃，故意困扰小勃律镇兵，断绝了他们的粮道。
十一月，乙未，吐火罗叶护失里怛伽罗遣使表称： 朅师王亲附吐蕃，因苦小勃律镇军，阻其粮道。
On November Yǐwèi, the Yezhu of Tokharian, Shili Datagala, sent an envoy to the memorial saying: “The teacher attached himself to Yefan, deliberately harassed Xiaobolu Town's soldiers, and cut off their food supply.”