@article{1028999137,
author = {Douglas, R. G.},
title = {On extremal measures and subspace density.},
journal = {Michigan Math. J.},
volume = {11},
number = {1},
year = {1964},
pages = { 243-246},
language = {en},
url = {http://dml.mathdoc.fr/item/1028999137}
}
Douglas, R. G. On extremal measures and subspace density.. Michigan Math. J., Tome 11 (1964) no. 1, pp. 243-246. http://gdmltest.u-ga.fr/item/1028999137/