@article{SF_1995__50_3_135379,
     author = {J. Hilgert and K.H. Neeb},
     title = {Maximality of compression semigroups.},
     journal = {Semigroup forum},
     pages = {205--222},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1995},
     zbl = {0824.22006},
     url = {http://geodesic.mathdoc.fr/item/SF_1995__50_3_135379/}
}