1. Gaussian hypergeometric series and combinatorial congruences;Ahlgren,2001
2. A Gaussian hypergeometric series evaluation and Apéry number congruences;Ahlgren;J. Reine Ange. Math.,2000
3. Another Congruence for the Apéry Numbers;Beukers;J. Number Theory,1987
4. Hypergeometric functions over finite fields;Greene;Trans. Amer. Math. Soc.,1987
5. Gauss sums and the p-adic Γ-function;Gross;Ann. Math.,1979