%0 Journal Article %A Curry, Haskell B. %T Abstract differential operators and interpolation formulas %J Portugaliae mathematica %D 1951 %P 135-162 %V 10 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1951__10_4_114529/ %G en %F PORMA_1951__10_4_114529