Geodesic
On the parity of the class numbers of real abelian fields
Communications in Mathematics, Tome 6 (1998) no. 1, pp. 159-166

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MR Zbl
Classification : 11R18, 11R20, 11R29 
Metsänkylä, Tauno. On the parity of the class numbers of real abelian fields. Communications in Mathematics, Tome 6 (1998) no. 1, pp. 159-166. http://geodesic.mathdoc.fr/item/COMIM_1998_6_1_a19/
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