参考文献/References:
[1] Calvo T,De Baets B.On the generalization of the absorption equation [J].Fuzzy Math,2000,8(1):141-149.
[2] Calvo T,De Baets B,Fodor J C.The functional equations of Frank and Alsina for uninorms and nullnorms [J].Fuzzy Sets Syst,2001,120(3):385-394.
[3] Drewniak J,Drygas P,Rak E.Distributivity equations for uninorms and nullnorms [J].Fuzzy Sets Syst,2008,159(13):1646-1657.
[4] Drygas P,Rak E.Distributivity equation in the class of 2-uninorms [J].Fuzzy Sets Syst,2016,291(1):82-97.
[5] Akella P.Structure of n-uninorms [J].Fuzzy Sets Syst,2007,158(15):1631-1651.
[6] Yager R R,Rybalow A.Uninorm aggreation operators [J].Fuzzy Sets Syst,1996,80(1):111-120.
[7] Fodor J C,Yager R R,Rybalov A.Structure of uninorms [J].Int J Uncertain,Fuzziness Knowl-Based Syst,1997,5(4):411-427.
[8] Sander W.Associative aggregation operators [C]∥Calvo T,Mayor G,Mesiar R.Aggreation operators.Heidelberg:Physica-Verlag,2002:124-158.
[9] Aczel J.Lectures on functional equations and their applications [M].New York:Acad Press,1966.
[10] Rak E.Distributivity equation for nullnorms [J].J Electr Eng,2005,56(12):53-55.
[11] Klement E P,Mesiar R,Pap E.Triangular norms [M].Dordrecht:Kluwer Academic Publishers,2000.
[12] Drygas P.Distributivity between semit-operators and semi-nullnorms [J].Fuzzy Sets Syst,2015,264(1):100-109.
[13] Gabbay D,Metcalfe G.Fuzzy logics based on [0,1)-continuous uninorms [J].Arch Math Log,2007,46(5):425-449.
[14] Dubois D,Prade H.Fundamentals of fuzzy sets [M].Boston:Kluwer Acad Publ,2000.