%0 Journal Article %A Jianhua Chen %T A note on the diophantine equation $a^2x^4-By^2=1$ %J Acta Arithmetica %D 2000 %P 205-212 %V 96 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa96-3-1/ %R 10.4064/aa96-3-1 %G en %F 10_4064_aa96_3_1