%0 Journal Article %A Mingzhi Xu %T Cohomology groups of units in $ℤ^d_p$-extensions %J Acta Arithmetica %D 1998 %P 289-304 %V 86 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-86-4-289-304/ %R 10.4064/aa-86-4-289-304 %G en %F 10_4064_aa_86_4_289_304