@article{10_4064_aa122_1_6,
     author = {Chaohua Jia},
     title = {On a conjecture of {Yiming} {Long}},
     journal = {Acta Arithmetica},
     pages = {57--61},
     publisher = {mathdoc},
     volume = {122},
     number = {1},
     year = {2006},
     doi = {10.4064/aa122-1-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa122-1-6/}
}