TY - JOUR AU - Antonio Lei TI - Estimating class numbers over metabelian extensions JO - Acta Arithmetica PY - 2017 SP - 347 EP - 364 VL - 180 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa170216-27-4/ DO - 10.4064/aa170216-27-4 LA - en ID - 10_4064_aa170216_27_4 ER -