@article{10_4064_aa131_2_3,
     author = {S. Akhtari and A. Togb\'e and P. G. Walsh},
     title = {On the equation $aX^4-bY^2=2$},
     journal = {Acta Arithmetica},
     pages = {145--169},
     publisher = {mathdoc},
     volume = {131},
     number = {2},
     year = {2008},
     doi = {10.4064/aa131-2-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa131-2-3/}
}