%0 Journal Article %A Pietro Cornacchia %T Fitting ideals of class groups in a $ℤ_p$-extension %J Acta Arithmetica %D 1998 %P 79-88 %V 87 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-87-1-79-88/ %R 10.4064/aa-87-1-79-88 %G en %F 10_4064_aa_87_1_79_88