@article{SF_1972__4_133908,
     author = {J.D. Lawson and J.A. Hildebrant},
     title = {Embedding in compact uniquely divisible semigroups.},
     journal = {Semigroup forum},
     pages = {295--300},
     publisher = {mathdoc},
     volume = {4},
     year = {1972},
     zbl = {0258.22004},
     url = {http://geodesic.mathdoc.fr/item/SF_1972__4_133908/}
}