1. El Amaraoui, A., Mesghouni, A.K.: Train scheduling networks under time duration uncertainty. In: Proceedings of the 19th World Congress of the International Federation of Automatic Control, pp. 8762–8767 (2014)
2. Atanassov, K., Mavrov, D., Atanassova, V.: Intercriteria decision making: a new approach for multicriteria decision making, based on index matrices and intuitionistic fuzzy sets. Issues IFSs GNs 11, 1–8 (2014)
3. Atanassov, K.: On Intuitionistic Fuzzy Sets Theory. Springer, Berlin (2012)
4. Atanassov, K., Atanassova, V., Gluhchev, G.: InterCriteria analysis: ideas and problems. Notes on Intuitionistic Fuzzy Sets 21(1), 81–88 (2015)
5. Atanassov, K.: Intuitionistic fuzzy sets, VII ITKR session, Sofia, 20–23 June 1983, reprinted. Int. J. Bioautomation 20(S1), S1–S6 (2016)