@article{1103051517,
author = {Motzkin, T. S. and Straus, E. G. and Valentine, F. A.},
title = {The number of farthest points.},
journal = {Pacific J. Math.},
volume = {3},
number = {4},
year = {1953},
pages = { 221-232},
language = {en},
url = {http://dml.mathdoc.fr/item/1103051517}
}
Motzkin, T. S.; Straus, E. G.; Valentine, F. A. The number of farthest points.. Pacific J. Math., Tome 3 (1953) no. 4, pp. 221-232. http://gdmltest.u-ga.fr/item/1103051517/