TY - JOUR AU - Brandt, Achi TI - General highly accurate algebraic coarsening JO - Electronic transactions on numerical analysis PY - 2000 SP - 1 EP - 20 VL - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2000__10__a6/ LA - en ID - ETNA_2000__10__a6 ER -