Jacobson, Michael J. Solving the Pell equation [electronic resource] / by Michael J. Jacobson, Hugh C. Williams. - New York, NY : Springer New York, 2009. - xx, 495 pages : illustrations, digital. - CMS books in mathematics, 1613-5237 . ISBN: 9780387849232 Subjects--Topical Terms: Pell's equation.Number Theory. Dewey Class. No.: 513.72