TY  - JOUR
AU  - Nobuhiro Innami
TI  - Differentiability of Busemann Functions and Total Excess.
JO  - Mathematische Zeitschrift
PY  - 1982
SP  - 235
EP  - 248
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1982__180_173184/
ID  - MZ_1982__180_173184
ER  -