TY - JOUR AU - Martin A. Grepl AU - Mark Kärcher TI - Reduced basis a posteriori error bounds for parametrized linear-quadratic elliptic optimal control problems JO - Comptes Rendus. Mathématique PY - 2011 SP - 873 EP - 877 VL - 349 IS - 15-16 PB - Elsevier DO - 10.1016/j.crma.2011.07.010 LA - en ID - CRMATH_2011__349_15-16_873_0 ER -