@book{jacobson2008solving,
  title={Solving the {P}ell Equation},
  author={Jacobson, M. and Williams, H.},
  isbn={9780387849225},
  lccn={2008939034},
  series={CMS Books in Mathematics},
  year={2008},
  publisher={Springer New York}
}

@misc{auckland_pell,
    title = {{P}ell's Equation, Handout for {MATHS} 714},
    howpublished = {Lecture notes, University of Auckland},
    year = {2008},
    url= {https://www.math.auckland.ac.nz/class714/Pell.pdf}
}

@book{cohen2010algebraic,
 author = {Cohen, Henri},
 title = {A Course in Computational Algebraic Number Theory},
 year = {2010},
 isbn = {3642081428, 9783642081422},
 publisher = {Springer},
} 
