@article{SF_1982__25_134573,
     author = {D.W. Miller},
     title = {Semigroups containing ubiquitous elements.},
     journal = {Semigroup forum},
     pages = {193--202},
     publisher = {mathdoc},
     volume = {25},
     year = {1982},
     zbl = {0504.20042},
     url = {http://geodesic.mathdoc.fr/item/SF_1982__25_134573/}
}