author = {A. Riese},
title = {{A Generalization of Gosper's Algorithm to Bibasic Hypergeometric Summation}},
language = {english},
journal = {Electron. J. Combin.},
volume = {3},
number = {#R19},
pages = {1--16},
isbn_issn = {ISSN 1077-8926},
year = {1996},
refereed = {yes},
length = {16}