TY - JOUR AU - Hirabayashi, Mikihito TI - A determinant formula for the relative class number of an imaginary abelian number field JO - Communications in Mathematics PY - 2014 SP - 133 EP - 140 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_2014__22_2_a1/ LA - en ID - COMIM_2014__22_2_a1 ER -