TY - JOUR AU - Hooda, D. S. TI - Sub-additive measures of information improvement JO - Kybernetika PY - 1983 SP - 414 EP - 421 VL - 19 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1983__19_5_a4/ LA - en ID - KYB_1983__19_5_a4 ER -