%0 Journal Article %A G. È. Kisilevskii %T A generalization of the Jordon theory to a certain class of linear operators in Hilbert space %J Doklady Akademii Nauk %D 1967 %P 768-770 %V 176 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_176_4_a6/ %G ru %F DAN_1967_176_4_a6