%0 Journal Article %A A. S. Holevo %T Conditionally positive-definite functions in quantum probability theory %J Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya %D 1989 %P 103-147 %V 36 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTD_1989_36_a3/ %G ru %F INTD_1989_36_a3