%0 Journal Article %A Xiaolei Dong %A Zhenfu Cao %T Diophantine equations and class numbers of real quadratic fields %J Acta Arithmetica %D 2001 %P 313-328 %V 97 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa97-4-2/ %R 10.4064/aa97-4-2 %G en %F 10_4064_aa97_4_2