%0 Journal Article %A V. V. Kozlov %A D. V. Treshchëv %T On the integrability of Hamiltonian systems with toral position space %J Sbornik. Mathematics %D 1989 %P 121-139 %V 63 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1989_63_1_a8/ %G en %F SM_1989_63_1_a8