TY - JOUR AU - Kunisch, Karl AU - Volkwein, Stefan TI - Proper orthogonal decomposition for optimality systems JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2008 SP - 1 EP - 23 VL - 42 IS - 1 PB - EDP-Sciences UR - http://geodesic.mathdoc.fr/articles/10.1051/m2an:2007054/ DO - 10.1051/m2an:2007054 LA - en ID - M2AN_2008__42_1_1_0 ER -