%0 Journal Article %A Klement, Erich Peter %A Navara, Mirko %T A characterization of tribes with respect to the Ɓukasiewicz $t$-norm %J Czechoslovak Mathematical Journal %D 1997 %P 689-700 %V 47 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_1997__47_4_a8/ %G en %F CMJ_1997__47_4_a8