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
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a30/
LA  - en
ID  - EJDE_1997__1997__a30
ER  -