%0 Journal Article
%A V. L. Ostrovskii
%A Yu. S. Samoilenko
%T Families of unbounded self-adjoint operators connected by non-Lie relations
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1989
%P 67-68
%V 23
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a11/
%G ru
%F FAA_1989_23_2_a11