TY - JOUR AU - V. V. Kozlov TI - Solution branching and polynomial integrals in an invertible system on a torus JO - Matematičeskie zametki PY - 1988 SP - 100 EP - 104 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1988_44_1_a9/ LA - ru ID - MZM_1988_44_1_a9 ER -