Edmond W. H. Lee, John Rhodes, Benjamin Steinberg, “Join irreducible semigroups”, Int. J. Algebra Comput., 29, № 07, 2019, 1249
Wen Ting Zhang, Yan Feng Luo, “On Varieties Generated by Minimal Complex Semigroups”, Order, 25, № 3, 2008, 243
Edmond W. H. Lee, “Finite basis problem for 2-testable monoids”, centr.eur.j.math., 9, № 1, 2011, 1
Edmond W. H. Lee, Advances in the Theory of Varieties of Semigroups, 2023, 1
Edmond W. H. Lee, “Hereditarily finitely based monoids of extensive transformations”, Algebra Univers., 61, № 1, 2009, 31
Edmond W. H. Lee, Wen Ting Zhang, “Finite basis problem for semigroups of order six”, LMS J. Comput. Math., 18, № 1, 2015, 1