TY  - JOUR
AU  - Adams,  D.R.
AU  - Nussenzveig Lopes,  H.J.
TI  - Nonlinear weakly elliptic \(2\times 2\) systems of variational inequalities with unilateral obstacle constraints
JO  - Electronic journal of differential equations
PY  - 1997
VL  - 1997
UR  - http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a30/
LA  - en
ID  - EJDE_1997__1997__a30
ER  -