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@article{MAN_1969__183_161902, author = {A.P. OGG}, title = {Functional {Equations} of {Modular} {Forms.}}, journal = {Mathematische Annalen}, pages = {337--340}, publisher = {mathdoc}, volume = {183}, year = {1969}, zbl = {0191.38102}, url = {http://geodesic.mathdoc.fr/item/MAN_1969__183_161902/} }
A.P. OGG. Functional Equations of Modular Forms.. Mathematische Annalen, Tome 183 (1969), pp. 337-340. http://geodesic.mathdoc.fr/item/MAN_1969__183_161902/