@article{10_4064_aa165_4_5,
     author = {Dongho Byeon and Taekyung Kim},
     title = {Optimal curves differing by a 5-isogeny},
     journal = {Acta Arithmetica},
     pages = {351--359},
     publisher = {mathdoc},
     volume = {165},
     number = {4},
     year = {2014},
     doi = {10.4064/aa165-4-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa165-4-5/}
}