WASET
Cubiles-de-la-Vega, M. , Pino-Mejías, R. , Silva-Ramírez, E.. "Clustering Multivariate Empiric Characteristic Functions for Multi-Class SVM Classification". World Academy of Science, Engineering and Technology, Open Science Index 64, International Journal of Electrical and Computer Engineering (2012), 6(4), 380 - 384.