Alzer H.,Richards K. C.,Bailey W. N. .1935 .Combinatorial identities and hypergeometric functions. Rocky Mountain J. Math. 52, : 1921-1928.
Chu W.,Kim Y.,Rathie A. K.,Lim D.,Prudnikov A. P.,Brychkov Y. A.,O. I. Marichev Y. A.,Rathie A. K.,I. Kim A. K.,Rathie A. K.,Lim D.,Riordan J. .1979 .A note on generalization of combinatorial identities due to Gould and Touchard. Axioms, 12 : 268-425.