%0 Journal Article
%A Utz, W.R.
%T Some theorems and questions on matrices
%J Portugaliae mathematica
%D 1959
%P 225-229
%V 18
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1959__18_4_114829/
%G en
%F PORMA_1959__18_4_114829