%0 Journal Article
%A Kiyoaki Iimura
%T Dihedral extensions of Q of degree 21 which contain non-Galois extensions with class number not divisible by l
%J Acta Arithmetica
%D 1979
%P 385-394
%V 35
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa-35-4-385-394/
%R 10.4064/aa-35-4-385-394
%G en
%F 10_4064_aa_35_4_385_394