TY - JOUR AU - Schieweck, Friedhelm TI - A posteriori error estimates with post-processing for nonconforming finite elements JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2002 SP - 489 EP - 503 VL - 36 IS - 3 PB - EDP-Sciences UR - http://geodesic.mathdoc.fr/articles/10.1051/m2an:2002022/ DO - 10.1051/m2an:2002022 LA - en ID - M2AN_2002__36_3_489_0 ER -