《隋书·列传·卷十八》
开皇二年，突厥的沙钵略可汗和他弟弟叶护以及潘那可汗，率领十几万人马，向南方进犯抢掠。有诏以达奚长儒为行军总管，率部二千人打击他们。
开皇二年，突厥沙钵略可汗并弟叶护及潘那可汗众十馀万，寇掠而南，诏以长儒为行军总管，率众二千击之。
In the second year of the Kaihuang reign, Tujue's Shabolue Khan, his younger brother Yehu, and Panna Khan led hundreds of thousands of troops to invade and plunder the south. It was ordered that Daxi Changru be the marching commander and lead 2,000 troops to attack them.