@article{MAN_1977__225_162930,
     author = {Hugh L. Montgomery and Peter J. Weinberger},
     title = {Real {Quadratic} {Fields} with {Large} {Class} {Number.}},
     journal = {Mathematische Annalen},
     pages = {173--176},
     year = {1977},
     volume = {225},
     zbl = {0325.12001},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__225_162930/}
}