%0 Journal Article %A Úbeda-Flores, Manuel %T A new family of trivariate proper quasi-copulas %J Kybernetika %D 2007 %P 75-85 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2007__43_1_a5/ %G en %F KYB_2007__43_1_a5