1. El Gayar, N.F.: Fuzzy Neural Network Models for Unsupervised and Confidence-Based Learning. PhD thesis, University of Alexandria, Dept. of Comp. Sc. (1999)
2. Kuncheva, L.: Fuzzy classifier design. Physica-Verlag (2000)
3. Bezdek, J., Pal, N.: Two soft relatives of learning vector quantization. Neural Networks 8(5), 729–743 (1995)
4. Villmann, T., Hammer, B., Schleif, F.M., Geweniger, T.: Fuzzy labeled neural gas for fuzzy classification. In: Proceedings of WSOM 2005, pp. 283–290 (2005)
5. Pal, S., Mitra, S.: Multilayer perceptron, fuzzy sets and classification. IEEE Transactions on Neural Networks 3, 683–697 (1992)