Reference:
Aapo Hyvärinen and Erkki Oja. Simple neuron models for independent component analysis. Int. J. Neural Syst., 7(6):671–688, 1996.
Suggested BibTeX entry:
@article{journalsijnsHyvarinenO96, author = {Aapo Hyv{\"a}rinen and Erkki Oja}, journal = {Int. J. Neural Syst.}, number = {6}, pages = {671-688}, title = {Simple Neuron Models for Independent Component Analysis}, volume = {7}, year = {1996}, }