@article{JRAM_1992__427_153420, author = {Daqing Wan}, title = {Hilbert sets and zeta functions over finite fields.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {193--208}, publisher = {mathdoc}, volume = {427}, year = {1992}, zbl = {0759.11022}, url = {http://geodesic.mathdoc.fr/item/JRAM_1992__427_153420/} }