TY - JOUR AU - Gatica, Gabriel N. TI - A note on the efficiency of residual-based a posteriori error estimators for some mixed finite element methods. JO - Electronic transactions on numerical analysis PY - 2004 SP - 218 EP - 233 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2004__17__a0/ LA - en ID - ETNA_2004__17__a0 ER -