@article{AIF_1991__41_3_519_0,
     author = {Merel, Lo{\"\i}c},
     title = {Op\'erateurs de {Hecke} pour $\Gamma _0(N)$ et fractions continues},
     journal = {Annales de l'Institut Fourier},
     pages = {519--537},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {41},
     number = {3},
     year = {1991},
     doi = {10.5802/aif.1264},
     mrnumber = {92k:11047},
     zbl = {0727.11020},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/aif.1264/}
}