TY - JOUR AU - Kuwata, Masato TI - The field of definition of the Mordell-Weil group of an elliptic curve over a function field JO - Compositio Mathematica PY - 1990 SP - 399 EP - 406 VL - 76 IS - 3 PB - Kluwer Academic Publishers UR - http://www.numdam.org/item/CM_1990__76_3_399_0/ LA - en ID - CM_1990__76_3_399_0 ER -