%0 Journal Article
%A V. V. Kozlov
%T Groups of symmetries of geodesic flows on closed surfaces
%J Matematičeskie zametki
%D 1990
%P 62-67
%V 48
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1990_48_5_a6/
%G ru
%F MZM_1990_48_5_a6