Source: Fang 1995

Fang Guangchang 方廣錩. “Dunhuang wenxian zhong de Jingang jing jiqi zhushu” 敦煌文獻中的《金剛經》及其注疏. Shijie zongjiao yanjiu 世界宗教研究 (1995) no. 1: 73–80.

Assertions