@article{Gustafson:1987:MST,
author = {Gustafson, R. A.},
title = {Multilateral summation theorems for ordinary and basic
hypergeometric series in {${\rm U}(n)$}},
journal = {SIAM J. Math. Anal.},
fjournal = {SIAM Journal on Mathematical Analysis},
volume = {18},
year = {1987},
number = {6},
pages = {1576–1596},
issn = {0036-1410},
coden = {SJMAAH},
mrclass = {33A30 (22E30 33A75)},
mrnumber = {MR0911651 (90e:33015)},
doi = {10.1137/0518114},
zblno = {0624.33012}}