%0 Journal Article %A Dongho Byeon %A Donggeon Yhee %T Optimal curves differing by a 3-isogeny %J Acta Arithmetica %D 2013 %P 219-227 %V 158 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa158-3-2/ %R 10.4064/aa158-3-2 %G en %F 10_4064_aa158_3_2