1. Zadeh, L.A.: A computational theory of dispositions. In: Turksen, I.B., Asai, K., Ulusoy, G. (eds.) Computer Integrated Manufacturing. NATO ASI Series (Series F: Computer and Systems Sciences), vol. 49. Springer, Heidelberg (1988). https://doi.org/10.1007/978-3-642-83590-2_9
2. Dubois, D., Prade, H.: Possibility Theory: An Approach to Computerized Processing of Uncertainty. Plenum, New York (1988)
3. Pospelov, D.A.: The modeling of reasoning. Experience in the analysis of mental acts. Radio and communication, Moscow (1989). 184 p.
4. Yager, R.R.: On ordered weighted averaging aggregation operators in multicriteria decision making. IEEE Trans. Syst. Man. Cybern. 18, 183–190 (1988)
5. Ledeneva, T.M.: Aggregation of information in evaluation systems. In: Ledeneva, T.M., Podvalny, S.L. (eds.) Proceedings of Voronezh State University, Voronezh. Series: Systems Analysis and Information Technologies, no. 4, pp. 155–164 (2016)