@article{10_4064_aa_24_5_529_542,
     author = {H. Montgomery and P. Weinberger},
     title = {Notes on small class numbers},
     journal = {Acta Arithmetica},
     pages = {529--542},
     publisher = {mathdoc},
     volume = {24},
     number = {5},
     year = {1973},
     doi = {10.4064/aa-24-5-529-542},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-24-5-529-542/}
}