@article{10_4064_aa119_4_3,
     author = {Ajai Choudhry},
     title = {Symmetric diophantine systems revisited},
     journal = {Acta Arithmetica},
     pages = {329--347},
     publisher = {mathdoc},
     volume = {119},
     number = {4},
     year = {2005},
     doi = {10.4064/aa119-4-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa119-4-3/}
}