Edmond W. H. Lee, John Rhodes, Benjamin Steinberg, “Join irreducible semigroups”, Int. J. Algebra Comput., 29, no. 07, 2019, 1249
Edmond W.H. Lee, “Varieties generated by unstable involution semigroups with continuum many subvarieties”, Comptes Rendus. Mathématique, 356, no. 1, 2017, 44
Bin Bin Han, Wen Ting Zhang, Jian Rong Li, “Finite basis problem for the variety generated by all monoids of order five”, Communications in Algebra, 51, no. 1, 2023, 424
Edmond W. H. Lee, Advances in the Theory of Varieties of Semigroups, 2023, 1