\item Uderzo, A.: (Differentiability and Subdifferentiability)
Fr\'{e}chet Quasidifferential Calculus with Applications to Metric Regularity of Continuous Maps,
{\em Optimization} 54 (2005) 469-493.
\item Uebele, V., Abe, S. and Lan, M.-S.:
A Neural-Network-Based Fuzzy Classifier,
{\em IEEE Trans. on Systems, Man, and Cybernetics} 25 (1995) 353-361.
\item Ueda, N. and Nakano, R.:
Deterministic Annealing EM Algorithm,
{\em Neural Networks} 11 (1998) 271-282.
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Fuzzy Inference Based on Families of $\alpha$-Level Sets,
{\em IEEE Trans. on Fuzzy Systems} 1 (1993) 111-124.
\item Uehara, K. and Hirota, K.:
Parallel and Multistage Fuzzy Inference Based on Families of $\alpha$-Level Sets,
{\em Information Sciences} 106 (1998) 159-195.
\item Uhl, J.J.:
Applications of Radon-Nikodym Theorems to Martingale Convergence,
{\em Trans. Amer. Math. Soc.} 145 (1959) 271-285.
\item Uhl, J.J.: (Set-Valued Analysis)
Martingales of Vector Valued Set Functions,
{\em Pacific Journal of Mathematics} 30 (1969) 533-548.
\item Uhl, J.J.: (Set-Valued Analysis)
The Range of a Vector-Valued Measure,
{\em Proc. Amer. Math. Soc.} 23 (1969) 158-163.
\item Uhrig, M.:
An Empirical Examination of the Longstaff-Schwartz Bond Option Valuation Model,
{\em The Journal of Derivatives} fall (1996) 41-54.
\item Ui, T.:
A Shapley Value Representation of Potential Games,
{\em Games and Economic Behavior} 31 (2000) 121-135.
\item Ujevi\'{c}, N.: (Equations)
A Method for Solving Nonlinear Equations,
{\em Applied Mathematics and Computation} 175 (2006) 1416-1426.
\item Ume, J.-S.: (Fixed Point Theorems)
Fixed Point Theorems Related to Ciric’s Contraction Principle,
{\em Journal of Mathematical Analysis and Applications} 225 (1998) 630-640.
\item Ume, J.S.: (Fixed Point Theorems)
Variational Principles, Minimization Theorems, and Fixed Point Theorems on Generalized Meric Spaces,
{\em Journal of Optimization Theory and Applications} 118 (2003) 619-633.
\item Upson, R.B. and Jessup, P.F.:
Investment Market Policy: Risk-Return Relationships in Regional Securities Markets,
{\em Journal of Financial and Quantitative Analysis} 4 (1969) 677-695.
\item Urai, K.:
On the Existence of Equilibria in Economies with Infinitely Many Agents and Commodities,
{\em Journal of Mathematical Economics} 23 (1994) 339-359.
\item Urbano, A. and Vila, J.E.: (Repeated Games)
Unmediated Communication in Repeated Games with Imperfect Monotoring,
{\em Games and Economic Behavior} 46 (2004) 143-173.
\item Ur\'{i}a, M.V.R., Caballero, R., Rey, L. and Ruiz, F., Romero, C.: (Goal Programming)(E-Articles)
Meta-Goal Programming,
{\em European Journal of Operational Research} 136 (2002) 422-429.
\item Ur\'{i}a, M.V.R., Caballero, R., Ruiz, F. and Romero, C.:
Meta-Goal Programming,
{\em European Journal of Operational Research} 136 (2002) 422-429.
\item Urli, B. and Nadeau, R.: (Stochastic Programming)
PROMISE/Scenarios: An Interactive Method for Multiobjective Stochastic Linear Programming under Partial Uncertainty,
{\em European Journal of Operational Research} 155 (2004) 361-372.
\item Utkin, L.V.:
Fuzzy Reliability of Repariable Syatems in the Possibility Context.
{\em Microelectronics and Reliability} 34 (1994) 1865-1876.
\item Utkin, L.V.: Knowledge Based Fuzzy Reliability Assessment,
{\em Microelectronics and Reliability} 34 (1994) 863-874.
\item Utkin, L.V.:
Redundancy Optimization by Fuzzy Reliability and Cost of Systems Components,
{\em Microelectronics and Reliability} 34 (1994) 53-59.
\item Utkin, L.V.: (Possibility)
Extensions of Belief Functions and Possibility Distributions by Using the Imprecise Dirichlet Model,
{\em Fuzzy Sets and Systems} 154 (2005) 413-431.
\item Utkin, L.V. and Gurov, S.V.:
A General Formal Approach for Fuzzy Reliability Analysis in the Possibility
Context,
{\em Fuzzy Sets and Systems} 83 (1996) 203-213.
\item Utkin, L.V. and Gurov, S.V.:
Steady-State Reliability of Repairable Systems by Combined Probability and Possibility Assumptions,
{\em Fuzzy Sets and Systems} 97 (1998) 193-202.
\item Utkin, L.V., Gurov, S.V. and Shubinsky, I.B.:
A Method to Solve Fuzzy Reliability Optimization Problem.
{\em Microelectronics and Reliability} 35 (1995) 171-181.
