@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/