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 Semigroups of Order Five or Less: Generalization and Revisitation”, Stud Logica, 101, № 1, 2013, 95
Edmond W. H. Lee, Advances in the Theory of Varieties of Semigroups, 2023, 65
L. N. Shevrin, B. M. Vernikov, M. V. Volkov, “Lattices of semigroup varieties”, Russ Math., 53, № 3, 2009, 1
Yanfeng Luo, Wenting Zhang, “On the variety generated by all semigroups of order three”, Journal of Algebra, 334, № 1, 2011, 1
Sergey V. Gusev, Edmond W. H. Lee, Boris M. Vernikov, “The lattice of varieties of monoids”, Jpn. J. Math., 17, № 2, 2022, 117
João Araújo, João Pedro Araújo, Peter J. Cameron, Edmond W.H. Lee, Jorge Raminhos, “A survey on varieties generated by small semigroups and a companion website”, Journal of Algebra, 635, 2023, 698
Sergey V. Gusev, Edmond W. H. Lee, “Varieties of monoids with complex lattices of subvarieties”, Bull. London Math. Soc., 52, № 4, 2020, 762
Edmond W. H. Lee, “A minimal pseudo-complex monoid”, Arch. Math., 120, № 1, 2023, 15
Sergey V. Gusev, “Minimal monoids generating varieties with complex subvariety lattices”, Proceedings of the Edinburgh Mathematical Society, 2024, 1