M. Alimohammady, E. Ekici, S. Jafari and M. Roohi, On fuzzy upper and lower contra-
continuous multifunctions, Iranian Journal of Fuzzy Systems, 8(3) (2011), 149-158.
 R. J. Aumann, Integrals of set-valued maps, J. Math. Appl, 12 (1965), 1-12.
 J. Casasnovas and J. Vicente Riera, Extension of discrete t-norms and t-conorms to discrete
fuzzy numbers, Fuzzy Sets and Systems, 167 (2011), 65-81.
 B. De Baets and R. Mesiar, Triangular norms on product lattices, Fuzzy Sets and Systems,
104 (1999), 61-75.
 A. Gavrilut, A Gould type integral with respect to a multisubmeasure, Math. Slovaca, 58
 A. Gavrilut and A. Croitoru, Non-atomicity for fuzzy and non-fuzzy multivalued set function,
Fuzzy Sets and Systems, 160 (2009), 2106-2116.
 A. Gavrilut, Fuzzy gould integrability on atoms, Iranian Journal of Fuzzy Systems, 8(3)
 C. Guo and D. Zhang, On set-valued fuzzy measure, Information Sciences, 160 (2004), 13-25.
 L. Jang, T. Kim and J. Jeon, on set-valued Choquet integrals and convergence theorems II,
Bull. Korean Math. Soc., 40 (2003), 139-147.
 E. P. Klement, R. Mesiar and E. Pap, Triangular norms as ordinal sums of semigroups in
the sense of A. H. Cliord, Semigroup Forum, 65 (2002), 71-82.
 E. P. Klement, R. Mesiar and E. Pap, Triangular norms, position paper I: basic analytical
and algebraic properties, Fuzzy Sets and Systems, 143 (2004), 5-26.
 E. P. Klement, R. Mesiar and E. Pap, Triangular norms, position paper II: generral con-
structions and parameterized families, Fuzzy Sets and Systems, 145 (2004), 411-438.
 E. P. Klement, R. Mesiar and E. Pap, Triangular norms, position paper III: continuous
t-norms, Fuzzy Sets and Systems, 145 (2004), 439-454.
 W. Liu, X. Song and Q. Zhang, (T) fuzzy integral of multi-dimensional function, 2010 Seventh
International Conference on Fuzzy Systems and Knowledge Discovery, 1 (2010), 1-5.
 V. Markoa and R. Mesiar, Continuous Archimedean t-norms and their bounds, Fuzzy Sets
and Systems, 121 (2001), 183-190.
 R. Mesiar and A. Mesiarova, Fuzzy integrals, Lecture Notes in Computer Science, 3131
 R. Mesiar and A. Mesiarova, Fuzzy integrals and linearity, International Journal of Approx-
imate Reasoning, 47 (2008), 352-358.
 T. Murofushi and M. Machida, Non monotonic fuzzy measure and the Choquet integral,
Semigroup Forum, 64 (1994), 73-86.
 A. Precupanu, A. Gavrilut and A. Croitoru, A fuzzy Gould type integral, Fuzzy Sets and
Systems, 161 (2010), 661-680.
 T. Qu, The monotone class theorems for multi-dimensional function, Fuzzy Systems and
Mathematics, 22(6) (2008), 158-162.
 B. Schweizer and A. Sklar, Probabilistic metric spaces, North-Holland, NewYork, 1983.
 X. Song and Z. Pan, Fuzzy algebra in triangular norm system, Fuzzy Sets and Systems, 93
 X. Song, Disscussions on (T) fuzzy integral, Journal of China University of Mining and
Technology, 21(1) (1992), 97-104.
 J. T. Starczewski, Extended triangular norms, Information Sciences, 179 (2009), 742-757.
 Z. Wang, W. Li, K. H. Lee and K. S. Leung, Lower integrals and upper integrals with respect
to nonadditive set functions, Fuzzy Sets and Systems, 159 (2008), 646-660.
 Z. Wang, K. Xu, P. A. Heng and K. S. Leung, Indeterminate integrals with respect to non-
additive measures, Fuzzy Sets and Systems, 138 (2003), 485-495.
 Z. Wang, R. Yang, P. A. Heng and K. S. Leung, Real-valued Choquet integrals with fuzzy-
valued integrand, Fuzzy Sets and Systems, 157 (2006), 256-269.
 C. Wu, S. Wang and S. Song, Generalized triangle norms and generalized fuzzy integrals,
Proc. of Sino-Japan Sympo. on Fuzzy sets and Systems, Beijing: International Academic
 R. Yang, Z. Wang, P. A. Heng and K. S. Leung, Fuzzy numbers and fuzzication of the
Choquet integral, Fuzzy Sets and Systems, 153 (2005), 95-113.
 D. Zhang and C. Guo, Fuzzy integrals of set-valued mappings and fuzzy mappings, Fuzzy
Sets and Systems, 75 (1995), 103-109.
 D. Zhang and C. Guo, Generalized fuzzy integral of set-valued functions, Fuzzy Sets and
Systems, 76 (1995), 365-373.
 D. Zhang, C. Guo and D. Liu, Set-valued Choquet integrals revisited, Fuzzy Sets and Systems,
147 (2004), 475-485.
 D. Zhang, Triangular norms on partially ordered sets, Fuzzy Sets and Systems, 153 (2005),
 W. Zhang and R. Zhao, Generalized fuzzy measures and fuzzy integrals, Fuzzy Mathematics,
3 (1983), 1-8.
 R. Zhao, (N) fuzzy integral, Journal of Mathematical Research and Exposition, 2 (1981),