《资治通鉴·唐纪·唐纪一》
赵行枢、薛世良要求由宇文智及的兄长右屯卫将军许公宇文化及为首领，协商定了，才告诉宇文化及。
行枢、薛世良请以智及兄右屯卫将军许公化及为主，结约既定，乃告化及。
Zhao Xingshu and Xue Shliang asked Yuwen Zhiji's elder brother, Xu Gong Yuwenhuaji, the General of the Right Tunwei Army, to be the leader after negotiation before telling Yuwenhuaji.