Memoirs of the American Mathematical Society, ISSN 0065-9266 ; number 642
Print version: Chu, Wenchang. Basic almost-poised hypergeometric series. Providence, Rhode Island : American Mathematical Society, 1998 viii, 99 pages ; 25 cm. Memoirs of the American Mathematical Society ; no. 642 ISBN 9780821808115
"September 1998, volume 135, number 642 (second of 5 numbers)"