TY - JOUR AU - F. Hirzebruch TI - The Hubert modular group and some algebraic surfaces JO - Informatics and Automation PY - 1973 SP - 55 EP - 66 VL - 132 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1973_132_a6/ LA - en ID - TRSPY_1973_132_a6 ER -