Daniele Vigliano Raffaele Parisi Aurelio Uncini An information theoretic approach to a novel nonlinear independent component analysis paradigm. 997-1028 2005 85 Signal Processing 5 http://dx.doi.org/10.1016/j.sigpro.2005.01.002 db/journals/sigpro/sigpro85.html#ViglianoPU05