@article{1102968704, author = {Williams, Kenneth S.}, title = {Exponential sums over ${\rm GF}(2^{n})$.}, journal = {Pacific J. Math.}, volume = {43}, number = {3}, year = {1972}, pages = { 511-519}, language = {en}, url = {http://dml.mathdoc.fr/item/1102968704} }
Williams, Kenneth S. Exponential sums over ${\rm GF}(2^{n})$.. Pacific J. Math., Tome 43 (1972) no. 3, pp. 511-519. http://gdmltest.u-ga.fr/item/1102968704/