TY - JOUR AU - Burger, M. TI - Zonoids and conditionally positive definite functions. JO - Portugaliae mathematica PY - 2000 SP - 443 EP - 458 VL - 57 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_2000__57_4_49016/ LA - en ID - PORMA_2000__57_4_49016 ER -