TY - JOUR AU - Perez, Albert TI - $\varepsilon$-admissible simplifications of the dependence structure of a set of random variables JO - Kybernetika PY - 1977 SP - EP - 449 VL - 13 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1977__13_6_a2/ LA - en ID - KYB_1977__13_6_a2 ER -