@article{SF_1974__6_133964,
     author = {J.D. Lawson and J.A. Hildebrant},
     title = {The {Bohr} compactification of a dense ideal in a topological semigroup.},
     journal = {Semigroup forum},
     pages = {86--92},
     publisher = {mathdoc},
     volume = {6},
     year = {1974},
     zbl = {0256.22002},
     url = {http://geodesic.mathdoc.fr/item/SF_1974__6_133964/}
}