@article{1102983148,
author = {Freedman, A. R.},
title = {On asymptotic density in $n$-dimensions.},
journal = {Pacific J. Math.},
volume = {31},
number = {3},
year = {1969},
pages = { 95-113},
language = {en},
url = {http://dml.mathdoc.fr/item/1102983148}
}
Freedman, A. R. On asymptotic density in $n$-dimensions.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 95-113. http://gdmltest.u-ga.fr/item/1102983148/