@article{GDZPPN00126351X, title = {Characterization of monoids by condition (P) of cyclic left acts.}, journal = {Semigroup forum}, volume = {48}, year = {1994}, pages = {31-40}, zbl = {0804.20048}, url = {http://dml.mathdoc.fr/item/GDZPPN00126351X} }
Liu, Z. Characterization of monoids by condition (P) of cyclic left acts.. Semigroup forum, Tome 48 (1994) pp. 31-40. http://gdmltest.u-ga.fr/item/GDZPPN00126351X/