TY  - JOUR
AU  - Y. S. Ledyaev
AU  - J. S. Treiman
AU  - Q. J. Zhu
TI  - Helly's Intersection Theorem on Manifolds of Nonpositive Curvature
JO  - Journal of convex analysis
PY  - 2006
SP  - 785
EP  - 798
VL  - 13
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_2006_13_3_JCA_2006_13_3_a19/
ID  - JCA_2006_13_3_JCA_2006_13_3_a19
ER  -