2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69241The aim of this article is to show that the arithmetic of Pell conics admits a description which is completely analogous to that of elliptic curves: there is a theory of 2-descent with associated Selmer and Tate-Shafarevich groups, and there should be an analog of the conjecture of Birch and Swinnerton-Dyer.11 pagesNumber TheoryHistory and Overview11R11; 11G05text