WASET
    Mingtao Ding and  Zheng Tian and  Haixia Xu,  Adaptive Kernel Principal Analysis for Online Feature Extraction.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2009, vol. 35(11). 2527 - 2532
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/5153.