@article{SF_1974__6_133996,
     author = {M. Friedberg and J.W. Stepp},
     title = {A note on the {Bohr} compactification.},
     journal = {Semigroup forum},
     pages = {362--364},
     publisher = {mathdoc},
     volume = {6},
     year = {1974},
     zbl = {0275.22006},
     url = {http://geodesic.mathdoc.fr/item/SF_1974__6_133996/}
}