%0 Journal Article
%A Marques de Sá, E.
%A Vieira, J. David
%T Matrices and submatrices with constrained invariant factors
%J Portugaliae mathematica
%D 1991
%P 113-142
%V 48
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1991__48_2_115745/
%G en
%F PORMA_1991__48_2_115745