TY - JOUR AU - O. V. Schwarzman TI - On an example of Mumford and the factorial property of algebras of automorphic forms for planar groups of genus~0 JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2003 SP - 390 EP - 391 VL - 58 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2003_58_2_a15/ LA - en ID - RM_2003_58_2_a15 ER -