@article{SF_1980__21_134460,
     author = {W. Ruppert},
     title = {On semitopological compactifications of nonabelian groups.},
     journal = {Semigroup forum},
     pages = {383--389},
     publisher = {mathdoc},
     volume = {21},
     year = {1980},
     zbl = {0465.22003},
     url = {http://geodesic.mathdoc.fr/item/SF_1980__21_134460/}
}