@article{GDZPPN000366862,
title = {Almost Tight Upper Bounds for Lower Envelopes in Higher Dimensions.},
journal = {Discrete \& computational geometry},
volume = {11},
year = {1994},
pages = {327-346},
zbl = {0819.68068},
url = {http://dml.mathdoc.fr/item/GDZPPN000366862}
}
Sharir, M. Almost Tight Upper Bounds for Lower Envelopes in Higher Dimensions.. Discrete & computational geometry, Tome 11 (1994) pp. 327-346. http://gdmltest.u-ga.fr/item/GDZPPN000366862/