%0 Journal Article %A V. V. Kozlov %T Solution branching and polynomial integrals in an invertible system on a torus %J Matematičeskie zametki %D 1988 %P 100-104 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1988_44_1_a9/ %G ru %F MZM_1988_44_1_a9