%0 Journal Article
%A V. I. Arnol'd
%T One-dimensional cohomologies of Lie algebras of nondivergent vector fields and rotation numbers of dynamic systems
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1969
%P 77-78
%V 3
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1969_3_4_a7/
%G ru
%F FAA_1969_3_4_a7