@article{GDZPPN002351021,
title = {Forms Representable by an Integral Positive-Definite Binary Quadratic Form.},
journal = {Mathematica Scandinavica},
volume = {28},
year = {1971},
pages = {73-86},
zbl = {0227.10016},
url = {http://dml.mathdoc.fr/item/GDZPPN002351021}
}
Williams, Kenneth S. Forms Representable by an Integral Positive-Definite Binary Quadratic Form.. Mathematica Scandinavica, Tome 28 (1971) pp. 73-86. http://gdmltest.u-ga.fr/item/GDZPPN002351021/