WASET
    Miloš Šeda,  Fuzzy Shortest Paths Approximation for Solving the Fuzzy Steiner Tree Problem in Graphs.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2008, vol. 14(2). 437 - 441
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/13729.