@article{1183497363,
author = {Roberts, J. H.},
title = {On a problem of Knaster and Zarankiewicz},
journal = {Bull. Amer. Math. Soc.},
volume = {40},
number = {12},
year = {1934},
pages = { 281-283},
language = {en},
url = {http://dml.mathdoc.fr/item/1183497363}
}
Roberts, J. H. On a problem of Knaster and Zarankiewicz. Bull. Amer. Math. Soc., Tome 40 (1934) no. 12, pp. 281-283. http://gdmltest.u-ga.fr/item/1183497363/