《资治通鉴·唐纪·唐纪二十七》
吐蕃派遣大臣宗俄因矛到洮水请求和解，并且要求两国用对等的礼节，唐玄宗不同意。
吐蕃遣其大臣宗俄因矛至洮水请和，用敌国礼；上不许。
Tubo sent minister Zong E'er to Tao Shui to seek reconciliation and asked the two countries to use equal etiquette. Emperor Tang Xuanzong disagreed.