%0 Journal Article %A Kurt Girstmair %T On the l-divisibility of the relative class number of certain cyclic number fields %J Acta Arithmetica %D 1993 %P 189-204 %V 64 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-64-2-189-204/ %R 10.4064/aa-64-2-189-204 %G en %F 10_4064_aa_64_2_189_204