TY - JOUR AU - N.S. Papageorgiou AU - E.P. Avgerinos TI - On the Sensivity and Relaxability of Optimal Control Problems Governed by Nonlinear Evolution Equations with State Constraints. JO - Monatshefte für Mathematik PY - 1990 SP - 1 EP - 24 VL - 109 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MOMA_1990__109_2_178453/ ID - MOMA_1990__109_2_178453 ER -