%0 Journal Article %A Williams, Kenneth S. %T Note on the Number of Solutions of f(x1) = f(x2) = ... =f(xr) over a Finite Field %J Canadian mathematical bulletin %D 1971 %P 429-432 %V 14 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-074-0/ %R 10.4153/CMB-1971-074-0 %F 10_4153_CMB_1971_074_0