TY  - JOUR
AU  - Yôtarô Tsukamoto
TI  - On the Total Absolute Curvature of Closed Curves in Manifolds of Negative Curvature.
JO  - Mathematische Annalen
PY  - 1974
SP  - 313
EP  - 320
VL  - 210
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1974__210_162627/
ID  - MAN_1974__210_162627
ER  -