@article{GDZPPN000366838, title = {Counting Triangle Crossings and Halving Planes.}, journal = {Discrete \& computational geometry}, volume = {11}, year = {1994}, pages = {281-290}, zbl = {0819.68135}, url = {http://dml.mathdoc.fr/item/GDZPPN000366838} }
Edelsbrunner, H.; Dey, T.K. Counting Triangle Crossings and Halving Planes.. Discrete & computational geometry, Tome 11 (1994) pp. 281-290. http://gdmltest.u-ga.fr/item/GDZPPN000366838/