A Short, Elementary and Easy WZ Proof of the Askey-Gasper Inequality That was Used by de Branges in his Proof of the Bieberbach Conjecture.

Shalosh B. Ekhad A Short, Elementary and Easy WZ Proof of the Askey-Gasper Inequality That was Used by de Branges in his Proof of the Bieberbach Conjecture. 199-202 1993 117 Theor. Comput. Sci. 1&2 db/journals/tcs/tcs117.html#Ekhad93 http://dx.doi.org/10.1016/0304-3975(93)90313-I