TY - JOUR AU - Rakheja, T. D. AU - Gulati, K. K. TI - On symmetry and reversible symmetry concerning generalized directed divergence JO - Kybernetika PY - 1988 SP - 47 EP - 53 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1988__24_1_a4/ LA - en ID - KYB_1988__24_1_a4 ER -