@article{10_4064_aa_39_4_381_398,
     author = {Kenneth Williams},
     title = {On the class number {Q(\ensuremath{\sqrt{}}-p)} modulo 16, for p \ensuremath{\equiv} 1 (mod 8) a prime},
     journal = {Acta Arithmetica},
     pages = {381--398},
     publisher = {mathdoc},
     volume = {39},
     number = {4},
     year = {1981},
     doi = {10.4064/aa-39-4-381-398},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-39-4-381-398/}
}