@article{NUMA_1990__57_6-7_133439, author = {Charles K. Chui and H. Diamond}, title = {A {Characterization} of {Multivariate} {Quasi-interpolation} {Formulas} and its {Applications.}}, journal = {Numerische Mathematik}, pages = {105--122}, publisher = {mathdoc}, volume = {57}, number = {6-7}, year = {1990}, zbl = {0693.41001}, url = {http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133439/} }