1. Aliev, R.A., Aliev, R.R.: Soft Computing and its Applications. World Scientific, Singapore (2001)
2. Aliev, R.A., Pedrycz, W.: Fundamentals of a fuzzy-logic-based generalized theory of stability. IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetic 39(4), 971–988 (2009)
3. Aliev, R.A., Gurbanov, R.S., Alizadeh, A.V., Aliev, R.R.: Fuzzy Stability Analysis. In: Proc. Seventh International Conference on Applications of Fuzzy Systems and Soft Computing, ICAFS 2006, pp. 87–105. b-Quadrat Verlag, Kaufering (2006)
4. Babuska, R., Verbruggen, H.B.: Fuzzy modeling and model-based control for nonlinear systems. In: Jamshidi, M., Titli, A., Boverie, S., Zadeh, L.A. (eds.) Applications of Fuzzy Logic: Towards High Machine Intelligence Quotient Systems, pp. 49–74. Prentice Hall, New Jersey (1997)
5. Bede, B., Gal, S.G.: Almost periodic fuzzy-number-valued functions. Fuzzy Sets and Systems 147, 385–403 (2004)