@article{10_4064_aa_75_1_71_83,
     author = {Keqin Feng},
     title = {Non-congruent numbers, odd graphs and the {Birch-Swinnerton-Dyer} conjecture},
     journal = {Acta Arithmetica},
     pages = {71--83},
     publisher = {mathdoc},
     volume = {75},
     number = {1},
     year = {1996},
     doi = {10.4064/aa-75-1-71-83},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-75-1-71-83/}
}