The Picard group of the moduli of higher spin curves.
Jarvis, Tyler J.
The New York Journal of Mathematics [electronic only], Tome 7 (2001), p. 23-47 / Harvested from The Electronic Library of Mathematics
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Publié le : 2001-01-01
EUDML-ID : urn:eudml:doc:121483 
@article{01598715,
     title = {The Picard group of the moduli of higher spin curves.},
     journal = {The New York Journal of Mathematics [electronic only]},
     volume = {7},
     year = {2001},
     pages = {23-47},
     zbl = {0977.14010},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01598715}
}

Jarvis, Tyler J. The Picard group of the moduli of higher spin curves.. The New York Journal of Mathematics [electronic only], Tome 7 (2001) pp. 23-47. http://gdmltest.u-ga.fr/item/01598715/