%0 Journal Article
%A V. S. Rykhlov
%T On multiple completeness of the root functions of ordinary differential polynomial pencil with constant coefficients
%J Contemporary Mathematics. Fundamental Directions
%D 2017
%P 340-361
%V 63
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMFD_2017_63_2_a6/
%G ru
%F CMFD_2017_63_2_a6