@article{Shanker:1940:EPT,
author = {Shanker, Hari},
title = {On the expansion of the product of two parabolic cylinder
functions of non integral order},
journal = {Proc. Benares Math. Soc. (N. S.)},
volume = {2},
year = {1940},
pages = {61–68},
mrclass = {33.0X},
mrnumber = {MR0007075 (4,81h)},
mrreviewer = {M. C. Gray},
zblno = {0063.06929}}