《旧唐书·本纪·卷三》
副总管薛万均、薛万彻在赤水源又大破吐谷浑，捉住吐谷浑名王二十人。
副总管薛万均、薛万彻又破之于赤水源，获其名王二十人。
The Deputy Commander Xue Wanjun and Xue Wanche defeated the Tuyuhun again at Chishuǐyuán, capturing twenty Tuyuhun kings and nobles.