Team S. Semigroups of Full Transformations with the Restriction on the Fixed Set is Bijective: Ekkachai Laysirikul. Thai J Math [Internet]. 2016 Aug. 1 [cited 2024 May 18];14(2):497-503. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/613