%0 Journal Article %A M. Ram Murty %A Rajiv Gupta %T Cyclicity and generation of points mod p on elliptic curves. %J Inventiones mathematicae %D 1990 %P 225-236 %V 101 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1990__101_2_143803/ %F IM_1990__101_2_143803