Yi-jun Chen. A Proof that Zeilberger Missed: A New Proof of an Identity by Chaundy and Bullard Based on the Wilf-Zeilberger Method. The American Mathematical Monthly, 120(1):69-70, 2013. [doi]
@article{Chen13-70, title = {A Proof that Zeilberger Missed: A New Proof of an Identity by Chaundy and Bullard Based on the Wilf-Zeilberger Method}, author = {Yi-jun Chen}, year = {2013}, doi = {10.4169/amer.math.monthly.120.01.069}, url = {http://dx.doi.org/10.4169/amer.math.monthly.120.01.069}, researchr = {https://researchr.org/publication/Chen13-70}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {120}, number = {1}, pages = {69-70}, }