1. Silov, V.B., Prinyatie strategicheskikh reshenii v nechetkoi obstanovke (Making Strategic Decisions in a Fuzzy Environment), Moscow: Inpro-Res, 1995.
2. Fedulov, A.S., Fuzzy relational cognitive maps, J. Comput. Syst. Sci. Int., 2005, vol. 44, no. 1, pp. 112–124.
3. Roberts, F.S., Diskretnye modeli s prilozheniyami k sotsial’nym, biologicheskim i ekologicheskim problemam (Discrete Mathematical Models with Application to Social, Biological and Environmental Problems), Moscow: Nauka, 1986.
4. Kosko, B., Fuzzy cognitive maps, Int. J. Man-Mach. Stud., 1986, vol. 24, no. 1, pp. 65–75. https://doi.org/10.1016/S0020-7373(86)80040-2
5. Papageorgiou, E.I., Fuzzy Cognitive Maps for Applied Sciences and Engineering: From Fundamentals to Extensions and Learning Algorithms, Intelligent Systems Reference Library, vol. 54, Berlin: Springer, 2014. https://doi.org/10.1007/978-3-642-39739-4