Bongard-Levin 1989

Bongard-Levin, Gregory. M. 1989 "Two fragments of the Saddharmapuṇḍarīka-Sūtrafrom N. Petrovsky Collection", in: Prācī-prabhā: Perspectives in Indology: Essays in Honour of Professor B.N. Mukherjee, ed. D. C. Bhattacharyya, Devendra Handa, New Delhi(Harman Pub. House).