@article{02107472,
title = {On the combinatorial structure of arrangements of oriented pseudocircles.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {11},
year = {2004},
zbl = {1053.52030},
language = {en},
url = {http://dml.mathdoc.fr/item/02107472}
}
Linhart, Johann; Ortner, Ronald. On the combinatorial structure of arrangements of oriented pseudocircles.. The Electronic Journal of Combinatorics [electronic only], Tome 11 (2004) . http://gdmltest.u-ga.fr/item/02107472/