%0 Journal Article
%A I. N. Sergeev
%T Properties of characteristic frequencies of linear equations of arbitrary order
%J Trudy Seminara im. I.G. Petrovskogo
%D 2013
%P 414-442
%V 29
%N 29
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TSP_2013_29_29_a12/
%G ru
%F TSP_2013_29_29_a12