TY - JOUR AU - M. Bergounioux AU - H. Dietrich TI - Optimal Control of Problems Governed by Obstacle Type Variational Inequalities: a Dual Regularization-Penalization Approach JO - Journal of convex analysis PY - 1998 SP - 329 EP - 352 VL - 5 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_1998_5_2_a7/ ID - JCA_1998_5_2_a7 ER -