@article{10_4064_aa150_3_5,
     author = {\'Etienne Fouvry and Igor E. Shparlinski},
     title = {On a ternary quadratic form over primes},
     journal = {Acta Arithmetica},
     pages = {285--314},
     publisher = {mathdoc},
     volume = {150},
     number = {3},
     year = {2011},
     doi = {10.4064/aa150-3-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa150-3-5/}
}