@article{GDZPPN00125233X, title = {On maximal submonoids of BX.}, journal = {Semigroup forum}, volume = {14}, year = {1977}, pages = {137-148}, zbl = {0383.20049}, url = {http://dml.mathdoc.fr/item/GDZPPN00125233X} }
Kim, K. H.; Roush, F.W. On maximal submonoids of BX.. Semigroup forum, Tome 14 (1977) pp. 137-148. http://gdmltest.u-ga.fr/item/GDZPPN00125233X/