%0 Journal Article %A E. Flynn %T Descent via isogeny in dimension 2 %J Acta Arithmetica %D 1994 %P 23-43 %V 66 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-66-1-23-43/ %R 10.4064/aa-66-1-23-43 %G en %F 10_4064_aa_66_1_23_43