@article{GDZPPN002230623, title = {Koecher-Maa\ss -Series for Modular Forms of Quaternions.}, journal = {Manuscripta mathematica}, volume = {67}, year = {1990}, pages = {431-451}, zbl = {0698.10019}, url = {http://dml.mathdoc.fr/item/GDZPPN002230623} }
Krieg, Aloys. Koecher-Maaß-Series for Modular Forms of Quaternions.. Manuscripta mathematica, Tome 67 (1990) pp. 431-451. http://gdmltest.u-ga.fr/item/GDZPPN002230623/