Summary
In this paper we estimate the minimal genus of hyperplane sections of a geometrically ruled surface.
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Biancofiore, A., Livorni, E.L. On the genus of a hyperplane section of a geometrically ruled surface. Annali di Matematica pura ed applicata 147, 173–185 (1987). https://doi.org/10.1007/BF01762416
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DOI: https://doi.org/10.1007/BF01762416