%0 Journal Article %A A. G. Kostyuchenko %A B. S. Mityagin %T Positive definite functionals on nuclear spaces %J Doklady Akademii Nauk %D 1960 %P 13-16 %V 131 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_131_1_a1/ %G ru %F DAN_1960_131_1_a1