@article{MM2_1997__92_3_156249,
     author = {Koh-ichi Nagao},
     title = {Q(T)-rank of elliptic curves and certain limit coming from the local points.},
     journal = {Manuscripta mathematica},
     pages = {13--32},
     publisher = {mathdoc},
     volume = {92},
     number = {3},
     year = {1997},
     zbl = {0870.11034},
     url = {http://geodesic.mathdoc.fr/item/MM2_1997__92_3_156249/}
}