TY - JOUR AU - Chen, Zhangxin TI - The analysis of intergrid transfer operators and multigrid methods for nonconforming finite elements JO - Electronic transactions on numerical analysis PY - 1997 SP - 78 EP - 96 VL - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_1997__6__a14/ LA - en ID - ETNA_1997__6__a14 ER -