TY - JOUR AU - D. V. Anosov TI - Some geometrical problems related to the flows on surfaces JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1996 SP - 5 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1996_6_a1/ LA - ru ID - VMUMM_1996_6_a1 ER -