%0 Journal Article %A Joseph Carroll %A H. Kisilevsky %T On Iwasawa's λ-invariant for certain $Z_l$-extensions %J Acta Arithmetica %D 1981 %P 1-8 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-40-1-1-8/ %R 10.4064/aa-40-1-1-8 %G fr %F 10_4064_aa_40_1_1_8