《资治通鉴·唐纪·唐纪二十七》
同俄特勒单枪匹马逼近城下，被郭虔事先埋伏在路旁的勇士跃起斩首。
同俄单骑逼城下，虔瓘伏壮士于道侧，突起斩之。
Tongwuteler approached the city alone on horseback, and the warrior in ambush on the roadside before Guo Qianshi jumped up and beheaded him.