@article{JRAM_1992__428_153426,
     author = {Henryk Iwaniec},
     title = {The spectral growth of automorphic {L-functions.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {139--160},
     publisher = {mathdoc},
     volume = {428},
     year = {1992},
     zbl = {0746.11024},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__428_153426/}
}