@article{DAN_1971_196_4_a10, author = {E. M. Nikishin}, title = {On a problem of {Banach}}, journal = {Doklady Akademii Nauk}, pages = {774--775}, publisher = {mathdoc}, volume = {196}, number = {4}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_4_a10/} }