@article{AM2_1979__19_182371,
     author = {Kenneth D. Jr. Magill},
     title = {Green's {L-relation} for semigroups and compactifications. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {117--117},
     publisher = {mathdoc},
     volume = {19},
     year = {1979},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AM2_1979__19_182371/}
}