@article{10_4064_sm_25_3_367,
     author = {R. Williamson},
     title = {A remark on a theorem of {Banach}},
     journal = {Studia Mathematica},
     pages = {367--367},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {1964},
     doi = {10.4064/sm-25-3-367},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-25-3-367/}
}