%0 Journal Article %A Maohua Le %T On the number of solutions of the generalized Ramanujan-Nagell equation $x²-D = 2^{n+2}$ %J Acta Arithmetica %D 1991 %P 149-167 %V 60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-60-2-149-167/ %R 10.4064/aa-60-2-149-167 %G en %F 10_4064_aa_60_2_149_167