@article{PomGilAbsGli2014, author = "Filippo Pompili and Nicolas Gillis and P.-A. Absil and François Glineur", title = "Two algorithms for orthogonal nonnegative matrix factorization with application to clustering", journal = "Neurocomputing", volume = "141", pages = "15-25", year = "2014", issn = "0925-2312", doi = "http://dx.doi.org/10.1016/j.neucom.2014.02.018", url = "http://www.sciencedirect.com/science/article/pii/S0925231214004068", }