《资治通鉴·唐纪·唐纪五十》
异牟寻上表请求背弃吐蕃，归顺唐朝，并且给韦皋送去用丝织品写成的文书，称自己为唐云南王孙、吐蕃赞普义弟日东王。
异牟寻上表请弃吐蕃归唐，并遗皋帛书，自称唐故云南王孙、吐蕃赞普义弟日东王。
Yi Mouxun presented a memorial requesting to abandon Tufan and submit to the Tang Dynasty, and gave Wei Gao a document written with silk fabrics, calling himself the grandson of the King of Nanzhao and the adopted brother of the Zanpu of Tufan, King Rizhidong.