TY - JOUR AU - M. Nagata TI - On rational surfaces. I.~Irreducible curves of arithmetic genus~0 or~1 JO - Matematika PY - 1964 SP - 55 EP - 72 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAT_1964_8_1_a3/ LA - ru ID - MAT_1964_8_1_a3 ER -