References
- Proc. London Math. Soc. v.28 no.2 Products of generalized hypergeometric series W. N. Bailey
- Proc. London Math. Soc. v.35 no.1 Summation of a certain series A. C. Dixon
- J. Reine Angeq. Math. v.15 Uber die hypergeometrische Reige... E. E. Kummer
- Special Functions E. D. Rainville