A Survey on the Algebras of the So-Called Intuitionistic Fuzzy Sets (IFS).

Gianpiero Cattaneo Davide Ciucci A Survey on the Algebras of the So-Called Intuitionistic Fuzzy Sets (IFS). 93-100 2009 WILF http://dx.doi.org/10.1007/978-3-642-02282-1_12 conf/wilf/2009 db/conf/wilf/wilf2009.html#CattaneoC09