@article{SF_1972__5_133939,
     author = {J.F. Berglund},
     title = {Compact semitopological inverse {Clifford} semigroups.},
     journal = {Semigroup forum},
     pages = {191--215},
     publisher = {mathdoc},
     volume = {5},
     year = {1972},
     zbl = {0255.22004},
     url = {http://geodesic.mathdoc.fr/item/SF_1972__5_133939/}
}