@article{10_4153_CMB_1992_048_5,
     author = {Friesen, Christian},
     title = {Class {Number} {Divisibility} in {Real} {Quadratic} {Function} {Fields}},
     journal = {Canadian mathematical bulletin},
     pages = {361--370},
     year = {1992},
     volume = {35},
     number = {3},
     doi = {10.4153/CMB-1992-048-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-048-5/}
}