TY - JOUR AU - Pietro Cornacchia TI - Fitting ideals of class groups in a $ℤ_p$-extension JO - Acta Arithmetica PY - 1998 SP - 79 EP - 88 VL - 87 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-87-1-79-88/ DO - 10.4064/aa-87-1-79-88 LA - en ID - 10_4064_aa_87_1_79_88 ER -