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@article{MAN_1970__185_161948, author = {J. LEHNER and A.O.L. ATKIN}, title = {Hecke {Operators} on ... (m).}, journal = {Mathematische Annalen}, pages = {134--160}, publisher = {mathdoc}, volume = {185}, year = {1970}, zbl = {0177.34901}, url = {http://geodesic.mathdoc.fr/item/MAN_1970__185_161948/} }
J. LEHNER; A.O.L. ATKIN. Hecke Operators on ... (m).. Mathematische Annalen, Tome 185 (1970), pp. 134-160. http://geodesic.mathdoc.fr/item/MAN_1970__185_161948/