@article{MZ_1992__211_3_174437,
     author = {Roland Matthes},
     title = {Rankin-Selberg method for real analytic cusp forms of arbitrary real weight.},
     journal = {Mathematische Zeitschrift},
     pages = {155--172},
     year = {1992},
     volume = {211},
     number = {3},
     zbl = {0738.11042},
     url = {http://geodesic.mathdoc.fr/item/MZ_1992__211_3_174437/}
}