TY - JOUR AU - Fath el Bab, H. TI - On isotropic tensors JO - Czechoslovak Mathematical Journal PY - 1977 SP - 54 EP - 60 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101445/ DO - 10.21136/CMJ.1977.101445 LA - en ID - 10_21136_CMJ_1977_101445 ER -