WASET
    S.K.Ayyaswamy and  S.Balachandran,  On Detour Spectra of Some Graphs.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 1038 - 1040
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/5275.