@article{Bailey:1928:PGH,
author = {Bailey, W. N.},
title = {Products of generalized hypergeometric series},
journal = {Proc. London Math. Soc. (2)},
fjournal = {Proceedings of the London Mathematical Society. Second Series},
volume = {28},
year = {1928},
number = {2},
pages = {242–254},
doi = {10.1112/plms/s2-28.1.242},
zblno = {54.0392.04}}