TY - JOUR AU - Dragi Radojević TI - Two examples of pure radiation fields JO - Theoretical and applied mechanics PY - 2001 SP - 83 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_2001_26_1_a5/ LA - en ID - TAM_2001_26_1_a5 ER -