@article{MAN_1990__286_1-3_164654,
     author = {Nicholas M. Katz},
     title = {Factoring polynomials in finite fields: an application of {Lang-Weil} to a problem in graph theory.},
     journal = {Mathematische Annalen},
     pages = {625--638},
     publisher = {mathdoc},
     volume = {286},
     number = {1-3},
     year = {1990},
     zbl = {0708.05029},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__286_1-3_164654/}
}