TY  - JOUR
AU  - A. A. Borisenko
TI  - On compact submanifolds of nonpositive external curvature in Riemannian spaces
JO  - Matematičeskie zametki
PY  - 1996
SP  - 3
EP  - 10
VL  - 60
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1996_60_1_a0/
LA  - ru
ID  - MZM_1996_60_1_a0
ER  -