The automorphism group of some semigroups Richard Byrd; Justin Lloyd; Franklin Pederson; James Stepp — 1984 Fundamenta Mathematicae
Closed Subgroups and Complete Distributivity in Lattice-Ordered Groups. Richard D. Byrd; Justin T. Lloyd — 1967 Mathematische Zeitschrift
On the cardinality of set products in groups Richard D. Byrd; Justin T. Lloyd; James W. Stepp — 1980 Colloquium Mathematicae
The lattice of solid σ -subgroups of a retractable group Richard D. Byrd; Justin T. Lloyd; Roberto A. Mena; J. Roger Teller — 1978 Czechoslovak Mathematical Journal
Extensions of group retractions. Byrd, Richard D.; Lloyd, Justin T.; Mena, Roberto A.; Teller, J.Roger — 1980 International Journal of Mathematics and Mathematical Sciences