TY  - JOUR
AU  - Dragi Radojević
TI  - Expansion tensor in the metrics of Einstein and Schwarzschild
JO  - Theoretical and applied mechanics
PY  - 1984
SP  - 113 
VL  - 10
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAM_1984_10_1_a10/
LA  - en
ID  - TAM_1984_10_1_a10
ER  -