%0 Journal Article %A Andrzej Schinzel %A H. Davenport %A D. Lewis %T Quadratic Diophantine equations with a parameter %J Acta Arithmetica %D 1965 %P 353-358 %V 11 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-11-3-353-358/ %R 10.4064/aa-11-3-353-358 %G en %F 10_4064_aa_11_3_353_358