Jirí Matousek, Micha Sharir, Shakhar Smorodinsky, Uli Wagner. k-Sets in Four Dimensions. Discrete & Computational Geometry, 35(2):177-191, 2006. [doi]
@article{MatousekSSW06,
title = {k-Sets in Four Dimensions},
author = {Jirí Matousek and Micha Sharir and Shakhar Smorodinsky and Uli Wagner},
year = {2006},
doi = {10.1007/s00454-005-1200-4},
url = {http://dx.doi.org/10.1007/s00454-005-1200-4},
researchr = {https://researchr.org/publication/MatousekSSW06},
cites = {0},
citedby = {0},
journal = {Discrete & Computational Geometry},
volume = {35},
number = {2},
pages = {177-191},
}