@article{EXMA_1998__7_2_229168,
     author = {Halberstadt, Emmanuel},
     title = {On the modular curve . {(Sur} la courbe modulaire .)},
     journal = {Experimental mathematics},
     pages = {163--174},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {1998},
     zbl = {0922.11047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_1998__7_2_229168/}
}