%0 Journal Article %A Pingzhi Yuan %A Jiagui Luo %T On the Diophantine equation $(x^2\pm C)(y^2\pm D)=z^4$ %J Acta Arithmetica %D 2010 %P 69-95 %V 144 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa144-1-5/ %R 10.4064/aa144-1-5 %G en %F 10_4064_aa144_1_5