@article{10_4064_aa_30_3_253_255,
     author = {J. Cohn},
     title = {The diophantine equations $(x^2 - c)^2 = (t^2 \ensuremath{\pm} 2) y^2 + 1$},
     journal = {Acta Arithmetica},
     pages = {253--255},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {1976},
     doi = {10.4064/aa-30-3-253-255},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-30-3-253-255/}
}