%0 Journal Article
%A S. P. Novikov
%T Levels of quasiperiodic functions on a~plane, and Hamiltonian systems
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1999
%P 1031-1032
%V 54
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1999_54_5_a10/
%G en
%F RM_1999_54_5_a10