TY - JOUR AU - V. V. Kozlov TI - The Liouville property of invariant measures of completely integrable systems and the Monge--Amp\`ere equation JO - Matematičeskie zametki PY - 1993 SP - 45 EP - 52 VL - 53 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1993_53_4_a5/ LA - ru ID - MZM_1993_53_4_a5 ER -