%0 Journal Article %A Sprengel, Frauke %T Comparing multilevel coarsening strategies %J Electronic transactions on numerical analysis %D 2002 %P 178-194 %V 14 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2002__14__a2/ %G en %F ETNA_2002__14__a2