WASET
    József Valyon and  Gábor Horváth,  Extended Least Squares LS–SVM.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2007, vol. 12(12). 3864 - 3872
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/8869.