%0 Journal Article
%A B. M. Shain
%T On the Birkhoff--Kogalovskii theorem
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1965
%V 20
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1965_20_6_a34/
%G ru
%F RM_1965_20_6_a34