1. The defining relations of the endomorphism semigroup of a finite linearly ordered set;Aĭzenštat;Sibirsk. Mat. Zh.,1962
2. Krohn–Rhodes complexity of Brauer type semigroups;Auinger;Port. Math.,2012
3. Maximal subgroups of symmetric groups;Ball;Trans. Amer. Math. Soc.,1966
4. Maximal subgroups of infinite symmetric groups;Baumgartner;Notre Dame J. Form. Log.,1993
5. Motzkin algebras;Benkart;European J. Combin.,2014