%0 Journal Article
%A Porter, A. Duane
%T Systems of four equations with a matrix application in a finite field
%J Portugaliae mathematica
%D 1972
%P 121-131
%V 31
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1972__31_3_115169/
%G en
%F PORMA_1972__31_3_115169