WASET
    A.S. Rebaï and  M. Elloumi,  Approximation Algorithm for the Shortest Approximate Common Superstring Problem.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2007, vol. 12(12). 609 - 614
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/14792.