%0 Journal Article
%A M. V. Smolentsev
%T The existence of a linear third-order equation with a countable frequency spectrum
%J Trudy Seminara im. I.G. Petrovskogo
%D 2014
%P 242-251
%V 30
%N 30
%U http://geodesic.mathdoc.fr/item/TSP_2014_30_30_a13/
%G ru
%F TSP_2014_30_30_a13