%0 Journal Article %A Grant, David %T Units from 3- and 4-torsion on jacobians of curves of genus 2 %J Compositio Mathematica %D 1994 %P 311-320 %V 94 %N 3 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1994__94_3_311_0/ %G en %F CM_1994__94_3_311_0