%0 Journal Article
%A M. L. Byalyi
%T First integrals that are polynomial in momenta for a mechanical system on a two-dimensional torus
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1987
%P 64-65
%V 21
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1987_21_4_a5/
%G ru
%F FAA_1987_21_4_a5