TY - JOUR AU - T. A. Lepskii TI - The monodromy operator of an integrable system $(\mathbb R^4,\omega,H)$ under the condition of the incompleteness of skew-symmetric fields JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2006 SP - 6 EP - 10 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2006_6_a1/ LA - ru ID - VMUMM_2006_6_a1 ER -