@article{10_4064_aa_60_2_149_167,
     author = {Maohua Le},
     title = {On the number of solutions of the generalized {Ramanujan-Nagell} equation $x{\texttwosuperior}-D = 2^{n+2}$},
     journal = {Acta Arithmetica},
     pages = {149--167},
     publisher = {mathdoc},
     volume = {60},
     number = {2},
     year = {1991},
     doi = {10.4064/aa-60-2-149-167},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-60-2-149-167/}
}