%0 Journal Article %A H. Millington %T On Characterizations of Nuclear Spaces and Quasi-Integral Operators. %J Mathematische Annalen %D 1974 %P 103-112 %V 212 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1974__212_182738/ %F MAN_1974__212_182738