@article{JTNB_2007__19_1_141_0,
     author = {Fern\'andez, Julio and Lario, Joan-C.},
     title = {On elliptic {Galois} representations and genus-zero modular units},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {141--164},
     publisher = {Universit\'e Bordeaux 1},
     volume = {19},
     number = {1},
     year = {2007},
     doi = {10.5802/jtnb.578},
     mrnumber = {2332058},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/jtnb.578/}
}