%0 Journal Article
%A R. V. Akopyan
%T On the regularity of spectral function of J-unitary J-dissipative operator
%J Proceedings of the Yerevan State University. Physical and mathematical sciences
%D 1988
%P 22-30
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZERU_1988_2_a3/
%G ru
%F UZERU_1988_2_a3