@article{COMIM_1998_6_1_a19,
     author = {Mets\"ankyl\"a, Tauno},
     title = {On the parity of the class numbers of real abelian fields},
     journal = {Communications in Mathematics},
     pages = {159--166},
     year = {1998},
     volume = {6},
     number = {1},
     mrnumber = {1822527},
     zbl = {1024.11072},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_1998_6_1_a19/}
}