Anders Bjært Sørensen On the number of rational points on codimension-1 algebraic sets in P<sup>n</sup>(F<sub>q</sub>). 321-334 1994 135 Discrete Mathematics 1-3 http://dx.doi.org/10.1016/0012-365X(93)E0009-S db/journals/dm/dm135.html#Sorensen94