%0 Journal Article
%A Cornell, Gary
%A Rosen, Michael I.
%T The $\ell $-rank of the real class group of cyclotomic fields
%J Compositio Mathematica
%D 1984
%P 133-141
%V 53
%N 2
%I Martinus Nijhoff Publishers
%U http://www.numdam.org/item/CM_1984__53_2_133_0/
%G en
%F CM_1984__53_2_133_0