@article{10_4064_aa126_3_2,
     author = {Gerhard A. Bachmaier},
     title = {Unsolvability of the {Pell} minus-equation for certain
 odd discriminants},
     journal = {Acta Arithmetica},
     pages = {237--238},
     publisher = {mathdoc},
     volume = {126},
     number = {3},
     year = {2007},
     doi = {10.4064/aa126-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa126-3-2/}
}