The field of definition of the Mordell-Weil group of an elliptic curve over a function field
Compositio Mathematica, Volume 76 (1990) no. 3, p. 399-406
@article{CM_1990__76_3_399_0,
author = {Kuwata, Masato},
title = {The field of definition of the Mordell-Weil group of an elliptic curve over a function field},
journal = {Compositio Mathematica},
volume = {76},
number = {3},
year = {1990},
pages = {399-406},
zbl = {0731.14010},
mrnumber = {1080009},
language = {en},
url = {http://www.numdam.org/item/CM_1990__76_3_399_0}
}

Kuwata, Masato. The field of definition of the Mordell-Weil group of an elliptic curve over a function field. Compositio Mathematica, Volume 76 (1990) no. 3, pp. 399-406. http://www.numdam.org/item/CM_1990__76_3_399_0/

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