Ahmet Tekcan and  Betül Gezer and  Osman Bizim,  On the Integer Solutions of the Pell Equation x2 - dy2 = 2t.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2007, vol. 1(1). 104 - 108
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/423.