@article{CM_1975__30_2_169_0,
     author = {Schikhof, W. H.},
     title = {Non-archimedean invariant means},
     journal = {Compositio Mathematica},
     pages = {169--180},
     publisher = {Noordhoff International Publishing},
     volume = {30},
     number = {2},
     year = {1975},
     mrnumber = {397306},
     zbl = {0302.43008},
     language = {en},
     url = {http://www.numdam.org/item/CM_1975__30_2_169_0/}
}