%0 Journal Article %A Charles K. Chui %A H. Diamond %T A Characterization of Multivariate Quasi-interpolation Formulas and its Applications. %J Numerische Mathematik %D 1990 %P 105-122 %V 57 %N 6-7 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133439/ %F NUMA_1990__57_6-7_133439