@article{GDZPPN002281473,
title = {Some Identities between Arithmetic Means and the other Elementary Symmetrie Functions of n Numbers},
journal = {Mathematische Annalen},
volume = {120},
year = {1947},
pages = {154-157},
zbl = {0030.02502},
url = {http://dml.mathdoc.fr/item/GDZPPN002281473}
}
Dinghas, Alexander. Some Identities between Arithmetic Means and the other Elementary Symmetrie Functions of n Numbers. Mathematische Annalen, Tome 120 (1947) pp. 154-157. http://gdmltest.u-ga.fr/item/GDZPPN002281473/