@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}, volume = {41}, number = {3}, year = {1991}, doi = {10.5802/aif.1264}, zbl = {0727.11020}, mrnumber = {92k:11047}, language = {fr}, url = {http://archive.numdam.org/articles/10.5802/aif.1264/} }