@article{05560454,
title = {Haar measure is not approximable by balls.},
journal = {Acta Universitatis Sapientiae. Mathematica},
volume = {1},
year = {2009},
pages = {83-86},
zbl = {1178.28023},
language = {en},
url = {http://dml.mathdoc.fr/item/05560454}
}
Csörnyei, Marianna. Haar measure is not approximable by balls.. Acta Universitatis Sapientiae. Mathematica, Tome 1 (2009) pp. 83-86. http://gdmltest.u-ga.fr/item/05560454/