A Proof that Zeilberger Missed: A New Proof of an Identity by Chaundy and Bullard based on the WZ Method
arXiv:1112.1359
Abstract
In this paper, based on the WZ theory, a very succinct new proof, of an identity by Chaundy and Bullard, was given.
arXiv comment3 pages; some misprints were corrected; accepted by The Amer. Math. Monthly