@article{bwmeta1.element.desklight-f5179e82-9f45-440f-a501-d4db1ec11806,
author = {Robert Kaufman},
title = {Metric properties of some planar sets},
journal = {Colloquium Mathematicae},
volume = {24},
year = {1971},
pages = {117-120},
zbl = {0218.28002},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-f5179e82-9f45-440f-a501-d4db1ec11806}
}
Robert Kaufman. Metric properties of some planar sets. Colloquium Mathematicae, Tome 24 (1971) pp. 117-120. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-f5179e82-9f45-440f-a501-d4db1ec11806/