%0 Journal Article
%A V. M. Ryabtseva
%T A~class of spectral functions of a~closed isometric operator with finite defect indices
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1968
%P 80-85
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1968_5_a10/
%G ru
%F IVM_1968_5_a10