《新唐书·列传·卷一百四十二》
此时，可汗牙部十三姓奉乌介特勒为可汗，南走保守错子山。
于是，可汗牙部十三姓奉乌介特勒为可汗，南保错子山。
At this time, the thirteen clans of the Khan's court supported Bujiete Le as khan, and fled south to keep the Mount Cuoci Mountains safe.