@article{BSMF_2001__129_3_449_0,
     author = {Pauly, Christian and Previato, Emma},
     title = {Singularities of $2\Theta $-divisors in the jacobian},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {449--485},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {129},
     number = {3},
     year = {2001},
     doi = {10.24033/bsmf.2404},
     mrnumber = {1881203},
     zbl = {1016.14013},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.2404/}
}