@article{CMJ_1997__47_4_a8,
     author = {Klement, Erich Peter and Navara, Mirko},
     title = {A characterization of tribes with respect to the {{\L}ukasiewicz} $t$-norm},
     journal = {Czechoslovak Mathematical Journal},
     pages = {689--700},
     publisher = {mathdoc},
     volume = {47},
     number = {4},
     year = {1997},
     mrnumber = {1479313},
     zbl = {0902.28015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_1997__47_4_a8/}
}