%0 Journal Article %A H. Swinnerton-Dyer %T Rational zeros of two quadratic forms %J Acta Arithmetica %D 1964 %P 261-270 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-9-3-261-270/ %R 10.4064/aa-9-3-261-270 %G en %F 10_4064_aa_9_3_261_270