Jan Kyncl, Martin Tancer. The Maximum Piercing Number for some Classes of Convex Sets with the (4, 3)-property. Electr. J. Comb., 15(1), 2008. [doi]
@article{KynclT08,
title = {The Maximum Piercing Number for some Classes of Convex Sets with the (4, 3)-property},
author = {Jan Kyncl and Martin Tancer},
year = {2008},
url = {http://www.combinatorics.org/Volume_15/Abstracts/v15i1r27.html},
researchr = {https://researchr.org/publication/KynclT08},
cites = {0},
citedby = {0},
journal = {Electr. J. Comb.},
volume = {15},
number = {1},
}