@article{CMJ_2003__53_4_a10,
     author = {Ballico, E.},
     title = {Codimension 1 subvarieties $\scr M\sb g$ and real gonality of real curves},
     journal = {Czechoslovak Mathematical Journal},
     pages = {917--924},
     publisher = {mathdoc},
     volume = {53},
     number = {4},
     year = {2003},
     mrnumber = {2018839},
     zbl = {1080.14518},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2003__53_4_a10/}
}