Phongchan S, Honyam P. Regularity and Finiteness Conditions on Transformation Semigroups with Invariant Sets. Thai J Math [Internet]. 2023 Sep. 30 [cited 2024 Apr. 29];21(3):569–583. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1528