TY - JOUR AU - G. Greaves TI - On the representation of a number in the form x^2+y^2+p^2+q^2 where p, q are odd primes JO - Acta Arithmetica PY - 1976 SP - 257 EP - 274 VL - 29 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-29-3-257-274/ DO - 10.4064/aa-29-3-257-274 LA - en ID - 10_4064_aa_29_3_257_274 ER -