%0 Journal Article %A L. Chierchia %T Meeting J\"urgen Moser %J Russian journal of nonlinear dynamics %D 2009 %P 37-38 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2009_5_1_a5/ %G ru %F ND_2009_5_1_a5