%0 Journal Article %A Gary Mullen %T Weak equivalence of functions over a finite field %J Acta Arithmetica %D 1979 %P 259-272 %V 35 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-35-3-259-272/ %R 10.4064/aa-35-3-259-272 %G en %F 10_4064_aa_35_3_259_272