Mahāmahopādhyāya Haraprasād Shāstri, History of Nyāyaśāstra from Japanese Sources, Journal of the Royal Asiatic Society of Bengal, n.s. vol. 1, no. 8 (August 1905), pp. 177-180.
Dungkar Rinpoche's dictionary, p. 1503 (Bram ze Rkang mig, Drang srong Mdzes pa).