TY - JOUR AU - Úbeda-Flores, Manuel TI - A new family of trivariate proper quasi-copulas JO - Kybernetika PY - 2007 SP - 75 EP - 85 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_2007__43_1_a5/ LA - en ID - KYB_2007__43_1_a5 ER -