TY - JOUR AU - Bungartz, Hans-Joachim TI - A multigrid algorithm for higher order finite elements on sparse grids JO - Electronic transactions on numerical analysis PY - 1997 SP - 63 EP - 77 VL - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_1997__6__a15/ LA - en ID - ETNA_1997__6__a15 ER -