TY - JOUR AU - Dongho Byeon TI - Imaginary quadratic fields whose Iwasawa $\lambda $-invariant is equal to 1 JO - Acta Arithmetica PY - 2005 SP - 145 EP - 152 VL - 120 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa120-2-2/ DO - 10.4064/aa120-2-2 LA - en ID - 10_4064_aa120_2_2 ER -