%0 Journal Article
%A M. B. Sevryuk
%T Partial Preservation of Frequencies and Floquet Exponents in KAM Theory
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2007
%P 174-202
%V 259
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_2007_259_a11/
%G ru
%F TM_2007_259_a11