%0 Journal Article %A Dongho Byeon %A Taekyung Kim %T Optimal curves differing by a 5-isogeny %J Acta Arithmetica %D 2014 %P 351-359 %V 165 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa165-4-5/ %R 10.4064/aa165-4-5 %G en %F 10_4064_aa165_4_5