%0 Journal Article %A Tom Fisher %T Some examples of 5 and 7 descent for elliptic curves over Q %J Journal of the European Mathematical Society %D 2001 %P 169-201 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s100970100030/ %R 10.1007/s100970100030 %F JEMS_2001_3_2_a2