@article{02057281,
title = {A generalised conical density theorem for unrectifiable sets.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {28},
year = {2003},
pages = {415-431},
zbl = {1050.28004},
language = {en},
url = {http://dml.mathdoc.fr/item/02057281}
}
Lorent, Andrew. A generalised conical density theorem for unrectifiable sets.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 28 (2003) pp. 415-431. http://gdmltest.u-ga.fr/item/02057281/