ABSTRACT
Let D be a positive nonsquare integer. The misnamed Pell equation is an expression of the form () https://www.w3.org/1998/Math/MathML"> T 2 − D U 2 = 1 https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780138747022/abb99e87-ffb7-4196-a4c4-acb0033e3d6a/content/eq4145.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
