@article{GDZPPN000366315,
title = {On the Complexity of a Single Cell in Certain Arrangements of Surfaces Related to Motion Planning.},
journal = {Discrete \& computational geometry},
volume = {11},
year = {1994},
pages = {1-34},
zbl = {0791.68162},
url = {http://dml.mathdoc.fr/item/GDZPPN000366315}
}
Halperin, D. On the Complexity of a Single Cell in Certain Arrangements of Surfaces Related to Motion Planning.. Discrete & computational geometry, Tome 11 (1994) pp. 1-34. http://gdmltest.u-ga.fr/item/GDZPPN000366315/