@article{GDZPPN000365084, title = {An Upper Bound on the Number of Planar K-Sets.}, journal = {Discrete \& computational geometry}, volume = {7}, year = {1992}, pages = {109-124}, zbl = {0765.68211}, url = {http://dml.mathdoc.fr/item/GDZPPN000365084} }
Pach, J.; Szemeredi, E.; Steiger, W. An Upper Bound on the Number of Planar K-Sets.. Discrete & computational geometry, Tome 7 (1992) pp. 109-124. http://gdmltest.u-ga.fr/item/GDZPPN000365084/