@article{SF_1974__6_133971,
     author = {N.R. Reilly},
     title = {Extensions of homomorphisms to dense extensions of semigroups.},
     journal = {Semigroup forum},
     pages = {153--170},
     publisher = {mathdoc},
     volume = {6},
     year = {1974},
     zbl = {0255.20046},
     url = {http://geodesic.mathdoc.fr/item/SF_1974__6_133971/}
}