Imre Bárány, Pavel Valtr. A Positive Fraction Erdos - Szekeres Theorem. Discrete & Computational Geometry, 19(3):335-342, 1998. [doi]
@article{BaranyV98,
title = {A Positive Fraction Erdos - Szekeres Theorem},
author = {Imre Bárány and Pavel Valtr},
year = {1998},
url = {http://link.springer.de/link/service/journals/00454/bibs/19n3p335.html},
researchr = {https://researchr.org/publication/BaranyV98},
cites = {0},
citedby = {0},
journal = {Discrete & Computational Geometry},
volume = {19},
number = {3},
pages = {335-342},
}