《新五代史·列传·杂传第三十二》
梁太祖派刘郡、牛存节进攻刘知俊，刘知俊于是逃奔到李茂贞处。李茂贞的土地狭小，无处安置他，派他西攻灵武。
太祖遣刘鄩、牛存节攻知俊，知俊遂奔于茂贞，茂贞地狭，无以处之，使之西攻灵武。
Liang Taizu sent Liu Jun and Niu Cunjie to attack Liu Zhijun, and Liu Zhijun thereupon fled to Li Maozhen. As Li Maozhen's land was too small, and there was no place to settle him, he sent him to attack Lingwu in the west.