1. Embeddings of the line in the plane;Abhyankar;J. Reine Angew. Math.,1975
2. Algebraic geometry over groups, I. Algebraic sets and ideal theory;Baumslag;J. Algebra,1999
3. Centralizers in free associative algebras;Bergman;Trans. Amer. Math. Soc.,1969
4. Conjugates and nth roots in Hahn–Laurent group rings;Bergman;Bull. Malays. Math. Sci. Soc.,1978
5. Historical addendum to: “Conjugates and nth roots in Hahn–Laurent group rings”;Bergman;Bull. Malays. Math. Sci. Soc.,1979