@article{CRMATH_2004__338_10_755_0,
     author = {Hejhal, Dennis A.},
     title = {On the horizontal distribution of zeros of linear combinations of {Euler} products},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {755--758},
     publisher = {Elsevier},
     volume = {338},
     number = {10},
     year = {2004},
     doi = {10.1016/j.crma.2004.03.022},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.03.022/}
}