@article{10_4064_cm_5_1_78,
     author = {Victor Klee},
     title = {On a problem of {Banach}},
     journal = {Colloquium Mathematicum},
     pages = {78--78},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1957},
     doi = {10.4064/cm-5-1-78},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-5-1-78/}
}