%0 Journal Article %A Étienne Fouvry %A Igor E. Shparlinski %T On a ternary quadratic form over primes %J Acta Arithmetica %D 2011 %P 285-314 %V 150 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa150-3-5/ %R 10.4064/aa150-3-5 %G en %F 10_4064_aa150_3_5