TY  - JOUR
AU  - Rohrlich, David E.
TI  - Variation of the root number in families of elliptic curves
JO  - Compositio Mathematica
PY  - 1993
SP  - 119
EP  - 151
VL  - 87
IS  - 2
PB  - Kluwer Academic Publishers
UR  - http://www.numdam.org/item/CM_1993__87_2_119_0/
LA  - en
ID  - CM_1993__87_2_119_0
ER  -