《旧五代史·后唐·庄宗纪一》
刘知俊三次在宁州击败汴军，灵、夏形势危急，岐、陇的部队大举出动，决意攻占河西。
且言刘知俊三败汴军于宁州，灵、夏危蹙，岐、陇之师大举，决取河西。
Liu Zhijun defeated the Bian army three times in Ningzhou. The situation in Ling and Xia was critical. The troops from Qi and Long set out in force. They were determined to capture Hexi.