@article{KYB_2007__43_1_a5,
     author = {\'Ubeda-Flores, Manuel},
     title = {A new family of trivariate proper quasi-copulas},
     journal = {Kybernetika},
     pages = {75--85},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {2007},
     mrnumber = {2343332},
     zbl = {1131.62048},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2007__43_1_a5/}
}