@article{RSMUP_2003__109__45_0,
     author = {Bella{\"\i}che, Jo\"el},
     title = {\`A propos d'un lemme de {Ribet}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {45--62},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {109},
     year = {2003},
     mrnumber = {1997986},
     zbl = {1048.20032},
     language = {fr},
     url = {http://archive.numdam.org/item/RSMUP_2003__109__45_0/}
}