%0 Journal Article
%A Nobuhiro Innami
%T Differentiability of Busemann Functions and Total Excess.
%J Mathematische Zeitschrift
%D 1982
%P 235-248
%V 180
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1982__180_173184/
%F MZ_1982__180_173184