TY - JOUR AU - Berndt, Markus AU - Manteuffel, Thomas A. AU - McCormick, Stephen F. TI - Local error estimates and adaptive refinement for first-order system least squares (FOSLS) JO - Electronic transactions on numerical analysis PY - 1997 SP - 35 EP - 43 VL - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_1997__6__a17/ LA - en ID - ETNA_1997__6__a17 ER -