M. R. Yadav and  A. K. Sharma and  B. S. Thakur,  Best Proximity Point Theorems for MT-K and MT-C Rational Cyclic Contractions in Metric Spaces.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 80(8). 1384 - 1389
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997054.