%0 Journal Article %A G. Greaves %T On the representation of a number in the form x^2+y^2+p^2+q^2 where p, q are odd primes %J Acta Arithmetica %D 1976 %P 257-274 %V 29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-29-3-257-274/ %R 10.4064/aa-29-3-257-274 %G en %F 10_4064_aa_29_3_257_274