@article{05540870,
title = {Convexly independent subsets of the Minkowski sum of planar point sets.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {15},
year = {2008},
zbl = {1160.52013},
language = {en},
url = {http://dml.mathdoc.fr/item/05540870}
}
Eisenbrand, Friedrich; Pach, János; Rothvoß, Thomas; Sopher, Nir B. Convexly independent subsets of the Minkowski sum of planar point sets.. The Electronic Journal of Combinatorics [electronic only], Tome 15 (2008) . http://gdmltest.u-ga.fr/item/05540870/