@article{Koornwinder:1978:HFM,
author = {Koornwinder, Tom H. and Sprinkhuizen-Kuyper, Ida},
title = {Hypergeometric functions of {$2\times 2$} matrix argument are
expressible in terms of {A}ppel's functions {$F_{4}$}},
journal = {Proc. Amer. Math. Soc.},
volume = {70},
year = {1978},
number = {1},
pages = {39–42},
mrclass = {33A30},
mrnumber = {MR0473251 (57 \#12926)},
mrreviewer = {P. N. Rathie},
links = {\URL[FullText]{http://links.jstor.org/sici?sici=0002-9939%28197806%2970%3A1%3C39%3AHFOMAA%3E2.0.CO%3B2-P}},
zblno = {0394.33004}}