M. Nagata, “On rational surfaces. II”, Matematika, 8:4 (1964), 75–94; Mem. Coll. Sci. Univ. Kyoto Ser. A Math., 33 (1960), 271–293
2.
M. Nagata, “On rational surfaces. I. Irreducible curves of arithmetic genus 0 or 1”, Matematika, 8:1 (1964), 55–72; Mem. Coll. Sci. Univ. Kyoto Ser. A Math., 32 (1960), 351–370
Contact us: