%0 Journal Article %T Twisted Hasse-Weil L-Functions and the Rank of Mordell-Weil Groups %J Canadian journal of mathematics %D 1997 %P 749-771 %V 49 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1997-037-7/ %R 10.4153/CJM-1997-037-7 %F 10_4153_CJM_1997_037_7