@article{GDZPPN00211268X,
title = {The sign of the functional equation of the L-function of an orthogonal motive.},
journal = {Inventiones mathematicae},
volume = {121},
year = {1995},
pages = {119-142},
zbl = {0821.14011},
url = {http://dml.mathdoc.fr/item/GDZPPN00211268X}
}
Saito, Takeshi. The sign of the functional equation of the L-function of an orthogonal motive.. Inventiones mathematicae, Tome 121 (1995) pp. 119-142. http://gdmltest.u-ga.fr/item/GDZPPN00211268X/