@article{GDZPPN002097249,
title = {Values of L-series of Modular Forms at the Center of the Critical Strip.},
journal = {Inventiones mathematicae},
volume = {64},
year = {1981},
pages = {175-198},
zbl = {0468.10015},
url = {http://dml.mathdoc.fr/item/GDZPPN002097249}
}
Zagier, D.; Kohnen, W. Values of L-series of Modular Forms at the Center of the Critical Strip.. Inventiones mathematicae, Tome 64 (1981) pp. 175-198. http://gdmltest.u-ga.fr/item/GDZPPN002097249/