@article{GDZPPN002203979, title = {Modular forms of varying weights.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, volume = {372}, year = {1986}, pages = {144-190}, zbl = {0588.10021}, url = {http://dml.mathdoc.fr/item/GDZPPN002203979} }
Bruggeman, Roelof W. Modular forms of varying weights.. Journal für die reine und angewandte Mathematik, Tome 372 (1986) pp. 144-190. http://gdmltest.u-ga.fr/item/GDZPPN002203979/