@article{1077375073,
author = {Neugebauer, C. J.},
title = {Symmetric, continuous, and smooth functions},
journal = {Duke Math. J.},
volume = {31},
number = {1},
year = {1964},
pages = { 23-31},
language = {en},
url = {http://dml.mathdoc.fr/item/1077375073}
}
Neugebauer, C. J. Symmetric, continuous, and smooth functions. Duke Math. J., Tome 31 (1964) no. 1, pp. 23-31. http://gdmltest.u-ga.fr/item/1077375073/