@article{GDZPPN002321300, title = {Transformation Theory of Eisenstein Series.}, journal = {Mathematische Annalen}, volume = {255}, year = {1981}, pages = {1-10}, zbl = {0455.10017}, url = {http://dml.mathdoc.fr/item/GDZPPN002321300} }
Karel, Martin L. Transformation Theory of Eisenstein Series.. Mathematische Annalen, Tome 255 (1981) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002321300/