TY - JOUR AU - Curry, Haskell B. TI - Abstract differential operators and interpolation formulas JO - Portugaliae mathematica PY - 1951 SP - 135 EP - 162 VL - 10 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1951__10_4_114529/ LA - en ID - PORMA_1951__10_4_114529 ER -