@article{10_4064_aa144_3_2,
     author = {Ahmad El-Guindy and Ken Ono},
     title = {Gauss's $_2F_1$ hypergeometric function
 and the congruent number elliptic curve},
     journal = {Acta Arithmetica},
     pages = {231--239},
     publisher = {mathdoc},
     volume = {144},
     number = {3},
     year = {2010},
     doi = {10.4064/aa144-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa144-3-2/}
}