@article{MZ_1939__44_168793,
     author = {N. A., Hall},
     title = {Binary {Quadratic} {Discriminants} with a {Single} {Class} of {Forms} in {Each} {Genus}},
     journal = {Mathematische Zeitschrift},
     pages = {85--90},
     publisher = {mathdoc},
     volume = {44},
     year = {1939},
     zbl = {0018.34402},
     url = {http://geodesic.mathdoc.fr/item/MZ_1939__44_168793/}
}