%0 Journal Article
%A A. S. Markus
%T basis from root vectors of a dissipative operator
%J Doklady Akademii Nauk
%D 1960
%P 524-527
%V 132
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_132_3_a9/
%G ru
%F DAN_1960_132_3_a9