Edmond W. H. Lee, John Rhodes, Benjamin Steinberg, “Join irreducible semigroups”, Int. J. Algebra Comput., 29, № 07, 2019, 1249
Edmond W.H. Lee, “Varieties generated by unstable involution semigroups with continuum many subvarieties”, Comptes Rendus. Mathématique, 356, № 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, № 1, 2023, 424
Edmond W. H. Lee, Advances in the Theory of Varieties of Semigroups, 2023, 1