%0 Journal Article
%A V. I. Arnol'd
%T Proof of a~theorem of A.\,N.~Kolmogorov on the invariance of quasi-periodic motions under small perturbations of the Hamiltonian
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1963
%P 9-36
%V 18
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1963_18_5_a1/
%G en
%F RM_1963_18_5_a1