TY - JOUR AU - A. V. Petrikov TI - On orbits of points on the Lobachevskii plane under the action of integer matrices JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2006 SP - 50 EP - 53 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2006_6_a11/ LA - ru ID - VMUMM_2006_6_a11 ER -