%0 Journal Article %A Ritter, Jürgen %A Weiss, Alfred %T Cohomology of units and 𝐿-values at zero %J Journal of the American Mathematical Society %D 1997 %P 513-552 %V 10 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-97-00234-8/ %R 10.1090/S0894-0347-97-00234-8 %F 10_1090_S0894_0347_97_00234_8