N. R. Lethcoe, Some Notes on the Relationship between the Abhisamayālaṅkāra, the Revised Pañcaviṃśatisāhasrikā and the Chinese Translation of the Unrevised Pañcaviṃśati-sāhasrikā, Journal of the American Oriental Society, vol. 96 (1976), pp. 499-511, at p. 507.