Rui Zhang and Yongqi Sun and and Yali Wu,  The Bipartite Ramsey Numbers b(C2m; C2n).   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 152 - 155
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/15580.