@article{MAN_1974__212_182749, author = {Wen-Ch'ing Winnie Li}, title = {Newforms and {Functional} {Equations.}}, journal = {Mathematische Annalen}, pages = {285--316}, publisher = {mathdoc}, volume = {212}, year = {1974}, zbl = {0278.10026}, url = {http://geodesic.mathdoc.fr/item/MAN_1974__212_182749/} }