@article{GDZPPN00232489X,
title = {P\'olya Operators II: Complete Concavity.},
journal = {Mathematische Annalen},
volume = {268},
year = {1984},
pages = {61-82},
zbl = {0533.34025},
url = {http://dml.mathdoc.fr/item/GDZPPN00232489X}
}
Clausing, Achim. Pólya Operators II: Complete Concavity.. Mathematische Annalen, Tome 268 (1984) pp. 61-82. http://gdmltest.u-ga.fr/item/GDZPPN00232489X/