%0 Journal Article
%A B. Balser
%T Birkhoff's reduction problem
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2004
%P 1047-1059
%V 59
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_2004_59_6_a2/
%G en
%F RM_2004_59_6_a2