@article{1102986145,
author = {Hartman, Philip},
title = {Convex sets and the bounded slope condition.},
journal = {Pacific J. Math.},
volume = {27},
number = {3},
year = {1968},
pages = { 511-522},
language = {en},
url = {http://dml.mathdoc.fr/item/1102986145}
}
Hartman, Philip. Convex sets and the bounded slope condition.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 511-522. http://gdmltest.u-ga.fr/item/1102986145/