%0 Journal Article %A Gary Mullen %T Equivalence classes of functions over a finite field %J Acta Arithmetica %D 1976 %P 353-358 %V 29 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-29-4-353-358/ %R 10.4064/aa-29-4-353-358 %G en %F 10_4064_aa_29_4_353_358