Examples of non-ample normal bundles
Compositio Mathematica, Tome 51 (1984) no. 2, pp. 189-192.
@article{CM_1984__51_2_189_0,
     author = {Goldstein, Norman},
     title = {Examples of non-ample normal bundles},
     journal = {Compositio Mathematica},
     pages = {189--192},
     publisher = {Martinus Nijhoff Publishers},
     volume = {51},
     number = {2},
     year = {1984},
     mrnumber = {739733},
     zbl = {0543.14025},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1984__51_2_189_0/}
}
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Goldstein, Norman. Examples of non-ample normal bundles. Compositio Mathematica, Tome 51 (1984) no. 2, pp. 189-192. http://archive.numdam.org/item/CM_1984__51_2_189_0/

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