TY  - JOUR
AU  - Dragi Radojević
TI  - The metric which allows the pure  radiation field
JO  - Theoretical and applied mechanics
PY  - 1997
SP  - 151 
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAM_1997_23_1_a8/
LA  - en
ID  - TAM_1997_23_1_a8
ER  -