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@article{MAN_1964__153_161135, author = {C.J. NEUGEBAUER}, title = {Symmetrie and {Smooth} {Functions} of {Several} {Variables.}}, journal = {Mathematische Annalen}, pages = {285--292}, publisher = {mathdoc}, volume = {153}, year = {1964}, zbl = {0115.27301}, url = {http://geodesic.mathdoc.fr/item/MAN_1964__153_161135/} }
C.J. NEUGEBAUER. Symmetrie and Smooth Functions of Several Variables.. Mathematische Annalen, Tome 153 (1964), pp. 285-292. http://geodesic.mathdoc.fr/item/MAN_1964__153_161135/