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@article{PORMA_1951__10_1_114495, author = {Curry, Haskell B.}, title = {Note on a theorem on abstract differential equations}, journal = {Portugaliae mathematica}, pages = {23--24}, publisher = {mathdoc}, volume = {10}, number = {1}, year = {1951}, mrnumber = {0042401}, zbl = {0044.31003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1951__10_1_114495/} }
Curry, Haskell B. Note on a theorem on abstract differential equations. Portugaliae mathematica, Tome 10 (1951) no. 1, pp. 23-24. http://geodesic.mathdoc.fr/item/PORMA_1951__10_1_114495/