1. Sums of Gauss, Jacobi and Jacobsthal;Berndt;J. Number Theory,1979
2. On the number of complete subgraphs contained in certain graphs;Erdös;Magyar Tud. Akad. Mat. Kut. Int. Közl,1962
3. R. Evans, Identities for products of Gauss sums and finite fields, Enseign. Math., to appear.