%0 Journal Article %A Michael Stoll %A P. G. Walsh %A Pingzhi Yuan %T On the Diophantine equation $X^2-(2^{2m}+1)Y^4=-2^{2m}$ %J Acta Arithmetica %D 2009 %P 57-63 %V 139 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa139-1-5/ %R 10.4064/aa139-1-5 %G fr %F 10_4064_aa139_1_5