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@article{AM2_1968__1_182295, author = {E. Hille}, title = {Some {Properties} of the {Jordan} {Operators.} {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {206--206}, publisher = {mathdoc}, volume = {1}, year = {1968}, url = {http://geodesic.mathdoc.fr/item/AM2_1968__1_182295/} }
E. Hille. Some Properties of the Jordan Operators. (Short Communication).. Aequationes mathematicae, Tome 1 (1968), p. 206. http://geodesic.mathdoc.fr/item/AM2_1968__1_182295/