TY - JOUR AU - V. K. Beloshapka TI - The orbit space of the automorphism group of a model surface of type $(1,2)$ JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2008 SP - 13 EP - 16 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2008_3_a2/ LA - ru ID - VMUMM_2008_3_a2 ER -