@article{10_4064_aa108_2_1,
     author = {Andrew Bremner},
     title = {On square values of quadratics},
     journal = {Acta Arithmetica},
     pages = {95--111},
     publisher = {mathdoc},
     volume = {108},
     number = {2},
     year = {2003},
     doi = {10.4064/aa108-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa108-2-1/}
}