%0 Journal Article %A L. N. Pushkin %T An infinite-dimensional version of the theorem of fortet and Kac %J Issledovaniya po Prikladnoi Matematike i Informatike %D 1984 %P 54-66 %V 10 %N 10 %U http://geodesic.mathdoc.fr/item/KUIPM_1984_10_10_a2/ %G ru %F KUIPM_1984_10_10_a2