@article{SF_1977__14_186377,
     author = {K.H. J\'onsd\'ottir},
     title = {Ideal compactifications in uniquely divisible semigroups.},
     journal = {Semigroup forum},
     pages = {355--374},
     publisher = {mathdoc},
     volume = {14},
     year = {1977},
     zbl = {0412.22001},
     url = {http://geodesic.mathdoc.fr/item/SF_1977__14_186377/}
}