@article{MM2_1976__18_154380,
     author = {Wolfgang Sander},
     title = {Verallgemeinerungen eines {Satzes} von {H.} {Steinhaus.}},
     journal = {Manuscripta mathematica},
     pages = {25--42},
     publisher = {mathdoc},
     volume = {18},
     year = {1976},
     zbl = {0321.28014},
     url = {http://geodesic.mathdoc.fr/item/MM2_1976__18_154380/}
}