%0 Journal Article %A Burger, M. %T Zonoids and conditionally positive definite functions. %J Portugaliae mathematica %D 2000 %P 443-458 %V 57 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_2000__57_4_49016/ %G en %F PORMA_2000__57_4_49016