WASET
    Yusuke Onoue and  Seiji Fujino and  Norimasa Nakashima,  Improved IDR(s) Method for Gaining Very Accurate Solutions.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 1806 - 1811
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/6349.