%0 Journal Article %A Delvaux, Steven %A Frederix, Katrijn %A Van Barel, Marc %T Transforming a hierarchical into a unitary-weight representation %J Electronic transactions on numerical analysis %D 2009 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2009__33__a2/ %G en %F ETNA_2009__33__a2