@article{01582308,
title = {Zonoids and conditionally positive definite functions.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {57},
year = {2000},
pages = {443-458},
zbl = {0977.52005},
language = {en},
url = {http://dml.mathdoc.fr/item/01582308}
}
Burger, M. Zonoids and conditionally positive definite functions.. Portugaliae Mathematica. Nova Série, Tome 57 (2000) pp. 443-458. http://gdmltest.u-ga.fr/item/01582308/