"Although its authorship is attributed to the Indian monk Aśvaghoṣa 馬鳴, its direct Indian provenance is doubtful. At the same time, there is a lack of concrete evidence for fully East Asian origins, and thus the matter its origin remains the subject of debate—especially among Japanese scholars." [MR:] Note: the scholarship on the possible provenance and attribution of this text is quite copious.
"Although its authorship is attributed to the Indian monk Asvaghosa 馬鳴, its direct Indian provenance is doubtful. At the same time, there is a lack of concrete evidence for fully East Asian origins, and thus the matter its origin remains the subject of debate—especially among Japanese scholars." [MR:] Note: the scholarship on the possible provenance and attribution of this text is quite copious. T1666; 大乘起信論