The Pell Equations x<sup>2</sup>-8y<sup>2</sup>=1 and y<sup>2</sup>-Dz<sup>2</sup>=1

The Pell Equations x²-8y²=1 and y²-Dz²=1

Pan Jiayu, Zhang Yuping, Zou Rong

Chinese Quarterly Journal of Mathematics . 1999, (1): 73 -77 .