%0 Journal Article %A Koh-ichi Nagao %T Q(T)-rank of elliptic curves and certain limit coming from the local points. %J Manuscripta mathematica %D 1997 %P 13-32 %V 92 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1997__92_3_156249/ %F MM2_1997__92_3_156249