%0 Journal Article %A R. Cook %T Simultaneous quadratic equations II %J Acta Arithmetica %D 1973 %P 1-5 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-25-1-1-5/ %R 10.4064/aa-25-1-1-5 %G en %F 10_4064_aa_25_1_1_5