TY - JOUR AU - V. A. Iskovskikh TI - Rational surfaces with a~pencil of rational curves and with positive square of the canonical class JO - Sbornik. Mathematics PY - 1970 SP - 91 EP - 117 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1970_12_1_a5/ LA - en ID - SM_1970_12_1_a5 ER -