%0 Journal Article
%A F. Z. Ziatdinov
%T The spectrum of a linear second-order differential operator in a Hilbert space of vector-functions with values in an abstract Hilbert space. II
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1965
%P 69-76
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1965_2_a7/
%G ru
%F IVM_1965_2_a7