%0 Journal Article
%A Sango,  Mamadou
%T A spectral problem with an indefinite weight for an elliptic system
%J Electronic journal of differential equations
%D 1997
%V 1997
%U http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a4/
%G en
%F EJDE_1997__1997__a4