%0 Journal Article %A A. G. Kostyuchenko %A B. S. Mityagin %T Positive-definite functionals on nuclear spaces %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1960 %V 15 %N 1 %U http://geodesic.mathdoc.fr/item/RM_1960_15_1_a25/ %G ru %F RM_1960_15_1_a25