TY - JOUR AU - V. A. Iskovskikh TI - Proof of a~theorem on relations in the two-dimensional Cremona group JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1985 SP - 231 EP - 232 VL - 40 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1985_40_5_a7/ LA - en ID - RM_1985_40_5_a7 ER -