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@article{PIM_1952_S_S_IV_04_a4, author = {I. I. Hirschman Jr. and D. V. Widder}, title = {A {Note} {On} {Quasi-Analytic} {Functions}}, journal = {Publications de l'Institut Math\'ematique}, pages = {57 }, publisher = {mathdoc}, volume = {_S_S_IV}, number = {04}, year = {1952}, url = {http://geodesic.mathdoc.fr/item/PIM_1952_S_S_IV_04_a4/} }
I. I. Hirschman Jr.; D. V. Widder. A Note On Quasi-Analytic Functions. Publications de l'Institut Mathématique, _S_S_IV (1952) no. 04, p. 57 . http://geodesic.mathdoc.fr/item/PIM_1952_S_S_IV_04_a4/