TY  - JOUR
AU  - P. G. Walczak
TI  - On balls and totally geodesic submanifolds
JO  - Annales Polonici Mathematici
PY  - 1984
SP  - 317
EP  - 324
VL  - 44
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-44-3-317-324/
DO  - 10.4064/ap-44-3-317-324
LA  - en
ID  - 10_4064_ap_44_3_317_324
ER  -