@article{10_4064_cm_56_2_255_261, author = {W. Kulpa}, title = {On a problem of {Banach}}, journal = {Colloquium Mathematicum}, pages = {255--261}, publisher = {mathdoc}, volume = {56}, number = {2}, year = {1988}, doi = {10.4064/cm-56-2-255-261}, language = {de}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-56-2-255-261/} }