%0 Journal Article %A J. Moser %T Dynamical Systems --- Past and Present. Plenary lecture at the International Congress of Mathematicians (Berlin 1998, August 18--27) %J Russian journal of nonlinear dynamics %D 2009 %P 13-32 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2009_5_1_a2/ %G ru %F ND_2009_5_1_a2