1. Carrasco-Ochoa, J., Ruiz-Shulcloper, J., Diaz de Leon, J.: Sensitivity analisys in logical combinatorial pattern recognition. Computacion y Sistemas 6(1), 62–66 (2002)
2. De la Vega-Doria, L., Carrasco-Ochoa, A., Ruiz-Shucloper, J.: Fuzzy KORA-W algorithm. In: 6th European Conf. on Intelligent Techniques and Soft Computer, Germany, pp. 1190–1194 (1998)
3. Dmitriev, A.N., Zhuravlev, Y.I., Krendeliev, F.: About mathematical principles and phenomena classification. Diskretni Analiz. 7, 3–15 (1966)
4. Lazo-Cortes, M., Ruiz-Shulcloper, J., Alba-Cabrera, E.: An Overview of the evolution of the concept of testor. Pattern Recognition 34(4), 753–762 (2001)
5. Lecture Notes in Computer Science;A. Lias-Rodriguez,2009