@article{IM_1995__119_3_144252,
     author = {W. Duke},
     title = {The critical order of vanishing of automorphic {L-functions} with large level.},
     journal = {Inventiones mathematicae},
     pages = {165--174},
     publisher = {mathdoc},
     volume = {119},
     number = {3},
     year = {1995},
     zbl = {0838.11035},
     url = {http://geodesic.mathdoc.fr/item/IM_1995__119_3_144252/}
}