Swapnil Gupta and  C. Pandu Rangan,  Computing Maximum Uniquely Restricted Matchings in Restricted Interval Graphs.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2016, vol. 114(6). 980 - 989
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10004512.