%0 Journal Article %A Perez, Albert %T $\varepsilon$-admissible simplifications of the dependence structure of a set of random variables %J Kybernetika %D 1977 %P -449 %V 13 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1977__13_6_a2/ %G en %F KYB_1977__13_6_a2