%0 Journal Article
%A Marques de Sá, Eduardo
%T Hidden relations for the Smith invariants of a matrix sum
%J Portugaliae mathematica
%D 1990
%P 417-422
%V 47
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1990__47_4_115730/
%G en
%F PORMA_1990__47_4_115730