@article{10_4064_aa_41_4_311_322,
     author = {Richard Hudson and Kenneth Williams},
     title = {Congruences for representations of primes by binary quadratic forms},
     journal = {Acta Arithmetica},
     pages = {311--322},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {1982},
     doi = {10.4064/aa-41-4-311-322},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-41-4-311-322/}
}