@article{10_4064_aa_8_3_295_306,
     author = {E. Grosswald},
     title = {Negative discriminant of binary quadratic forms with one class in each genus},
     journal = {Acta Arithmetica},
     pages = {295--306},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1962},
     doi = {10.4064/aa-8-3-295-306},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-8-3-295-306/}
}