@article{SF_1977__15_134258,
     author = {K. H. J\'onsd\'ottir},
     title = {Kernel compactifications of uniquely divisible semigroups.},
     journal = {Semigroup forum},
     pages = {269--280},
     publisher = {mathdoc},
     volume = {15},
     year = {1977},
     zbl = {0384.22002},
     url = {http://geodesic.mathdoc.fr/item/SF_1977__15_134258/}
}