TY  - JOUR
AU  - Dragi Radojević
TI  - Expansion tensor in a modified de Sitter metric
JO  - Theoretical and applied mechanics
PY  - 1982
SP  - 119 
VL  - 8
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAM_1982_8_1_a13/
LA  - en
ID  - TAM_1982_8_1_a13
ER  -