@article{BSMF_2011__139_4_437_0,
     author = {Corvaja, Pietro and Zannier, Umberto},
     title = {An $abcd$ theorem over function fields and applications},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {437--454},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {139},
     number = {4},
     year = {2011},
     doi = {10.24033/bsmf.2613},
     mrnumber = {2869299},
     zbl = {1252.11031},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2613/}
}