@article{CM_1994__91_2_145_0,
     author = {Duke, W. and Iwaniec, H.},
     title = {Convolution $L$-series},
     journal = {Compositio Mathematica},
     pages = {145--158},
     publisher = {Kluwer Academic Publishers},
     volume = {91},
     number = {2},
     year = {1994},
     mrnumber = {1273646},
     zbl = {0820.11033},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1994__91_2_145_0/}
}