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Partially supported by the M.P.I, of the Italian Government.
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Ballico, E., Lanteri, A. Ample and spanned rank-2 vector bundles withc 2=2 on complex surfaces. Arch. Math 56, 611–615 (1991). https://doi.org/10.1007/BF01246777
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DOI: https://doi.org/10.1007/BF01246777