@article{10_4064_cm_1_4_285_288,
     author = {Roman Sikorski},
     title = {Remarks on a problem of {Banach}},
     journal = {Colloquium Mathematicum},
     pages = {285--288},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {1947},
     doi = {10.4064/cm-1-4-285-288},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-1-4-285-288/}
}