@article{SF_1988__37_1_134918,
     author = {J.A. Hildebrant and M.R. Schaferkotter},
     title = {Compact totally disconnected k-divisible semigroups.},
     journal = {Semigroup forum},
     pages = {113--118},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1988},
     zbl = {0632.22003},
     url = {http://geodesic.mathdoc.fr/item/SF_1988__37_1_134918/}
}