@article{PMIHES_1977__47__33_0,
     author = {Barry Mazur},
     title = {Modular curves and the {Eisenstein} ideal},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {33--186},
     year = {1977},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {47},
     doi = {10.1007/BF02684339},
     mrnumber = {488287},
     zbl = {0394.14008},
     language = {en},
     url = {https://pmihes.centre-mersenne.org/articles/10.1007/BF02684339/}
}