2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150131We give an effective form of the theorem of Mazur-Kamienny-Merel on the torsion of elliptic curves over number fields.hard copies available by request to the author: parent@clipper.ens.fr uuencoded dvi fileAlgebraic Geometrytext