%0 Journal Article %A V. N. Polyakov %T On the representation theory of symmetric and isometric operators in Hilbert spaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1967 %P 86-92 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1967_9_a9/ %G ru %F IVM_1967_9_a9