@article{JEMS_2016_18_4_a3, author = {Andrew R. Booker}, title = {Simple zeros of degree 2 $L$-functions}, journal = {Journal of the European Mathematical Society}, pages = {813--823}, publisher = {mathdoc}, volume = {18}, number = {4}, year = {2016}, doi = {10.4171/jems/603}, url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/603/} }