Yuan-Kang Shih and  Shu-Li Chang and  Shin-Shin Kao,  The Spanning Laceability of k-ary n-cubes when k is Even.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2010, vol. 48(12). 1499 - 1507
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/14139.