@article{GDZPPN002084791,
title = {Non-vanishing of L-functions of 2 x 2 unitary groups.},
journal = {Forum mathematicum},
volume = {5},
year = {1993},
pages = {405-420},
zbl = {0779.11024},
url = {http://dml.mathdoc.fr/item/GDZPPN002084791}
}
Harris, Michael. Non-vanishing of L-functions of 2 x 2 unitary groups.. Forum mathematicum, Tome 5 (1993) pp. 405-420. http://gdmltest.u-ga.fr/item/GDZPPN002084791/