@article{GDZPPN001258508, title = {Cyclic subsemigroups of symmetric inverse semigroups.}, journal = {Semigroup forum}, volume = {33}, year = {1986}, pages = {243-248}, zbl = {0605.20061}, url = {http://dml.mathdoc.fr/item/GDZPPN001258508} }
Lipscomb, S.L. Cyclic subsemigroups of symmetric inverse semigroups.. Semigroup forum, Tome 33 (1986) pp. 243-248. http://gdmltest.u-ga.fr/item/GDZPPN001258508/