@article{01347799, title = {Companion forms and weight one forms.}, journal = {Annals of Mathematics. Second Series}, volume = {150}, year = {1999}, pages = {905-919}, doi = {10.2307/121076}, zbl = {0965.11019}, language = {en}, url = {http://dml.mathdoc.fr/item/01347799} }
Buzzard, Kevin; Taylor, Richard. Companion forms and weight one forms.. Annals of Mathematics. Second Series, Tome 150 (1999) pp. 905-919. doi : 10.2307/121076. http://gdmltest.u-ga.fr/item/01347799/