On Artin's Conjecture and Euclid's Algorithm in Global Fields. H.W., Jr. Lenstra — 1977 Inventiones mathematicae
Rational Functions Invariant under a Finite Abelian Group. H.W. Jr. Lenstra — 1974 Inventiones mathematicae
Factoring Polynomials with Rational Coefficients. H.W. jr. Lenstra; A.K. Lenstra; L. Lovász — 1982 Mathematische Annalen