%0 Journal Article
%A Adams,  D.R.
%A Nussenzveig Lopes,  H.J.
%T Nonlinear weakly elliptic \(2\times 2\) systems of variational inequalities with unilateral obstacle constraints
%J Electronic journal of differential equations
%D 1997
%V 1997
%U http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a30/
%G en
%F EJDE_1997__1997__a30