TY - JOUR AU - Dragi Radojević TI - On a conformally flat space-time JO - Theoretical and applied mechanics PY - 1990 SP - 79 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_1990_16_1_a9/ LA - en ID - TAM_1990_16_1_a9 ER -