@article{MOMA_1974__78_186334,
     author = {T.-s. Liu and Arnoud van Rooij},
     title = {Invariant {Means} on a {Locally} {Compact} {Group.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {356--359},
     year = {1974},
     volume = {78},
     zbl = {0296.43003},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1974__78_186334/}
}