TY - JOUR AU - Delvaux, Steven AU - Frederix, Katrijn AU - Van Barel, Marc TI - Transforming a hierarchical into a unitary-weight representation JO - Electronic transactions on numerical analysis PY - 2009 VL - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2009__33__a2/ LA - en ID - ETNA_2009__33__a2 ER -