Higher secant varieties of curves and the theorem of Nagata on ruled surfaces.
Lange, Herbert
Manuscripta mathematica, Tome 46 (1984), p. 263-270 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1984-01-01
EUDML-ID : urn:eudml:doc:155015 
@article{GDZPPN002225891,
     title = {Higher secant varieties of curves and the theorem of Nagata on ruled surfaces.},
     journal = {Manuscripta mathematica},
     volume = {46},
     year = {1984},
     pages = {263-270},
     zbl = {0578.14044},
     url = {http://dml.mathdoc.fr/item/GDZPPN002225891}
}

Lange, Herbert. Higher secant varieties of curves and the theorem of Nagata on ruled surfaces.. Manuscripta mathematica, Tome 46 (1984) pp. 263-270. http://gdmltest.u-ga.fr/item/GDZPPN002225891/