%0 Journal Article %A Stephan Suchower %T Subfield permutation polynomials and orthogonal subfield systems in finite fields %J Acta Arithmetica %D 1989 %P 307-315 %V 54 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-54-4-307-315/ %R 10.4064/aa-54-4-307-315 %G en %F 10_4064_aa_54_4_307_315