The Diophantine system $x^2-6y^2=-5,\ x=2z^2-1$

Cohn, J. H. E. (1998). The Diophantine system $x^2-6y^2=-5,\ x=2z^2-1$. MATHEMATICA SCANDINAVICA, 82(2), 161–164. https://doi.org/10.7146/math.scand.a-13830