Pakkinee Chitsakul,  Some Properties of Cut Locus of a Flat Torus.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2013, vol. 84(12). 1721 - 1726
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/9996880.