@article{10_4064_aa154_3_2,
     author = {Lilian Matthiesen},
     title = {Linear correlations amongst numbers represented
 by positive definite binary quadratic forms},
     journal = {Acta Arithmetica},
     pages = {235--306},
     publisher = {mathdoc},
     volume = {154},
     number = {3},
     year = {2012},
     doi = {10.4064/aa154-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa154-3-2/}
}