%0 Journal Article %A Tsutomu Shimada %T Some Remarks on Leopoldt's Conjecture. %J Manuscripta mathematica %D 1992 %P 405-414 %V 77 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1992__77_2-3_155789/ %F MM2_1992__77_2-3_155789