@article{51a7fd0f17e84c93b96a7d76ebc894ed,
title = "Barriers in metric spaces",
keywords = "Metric space, Tight span, Cutpoint",
author = "Dress, {Andreas W. M.} and Vincent Moulton and Andreas Spillner and Taoyang Wu",
note = "Acknowledgements: AD, VM, and AS thank the Warwick Institute for Advanced Study in Warwickshire, UK, and WT the Max Planck Institute for Mathematics in the Sciences in Leipzig, Germany, for their hospitality. AS and VM also acknowledge support by the Engineering and Physical Sciences Research Council (grant EP/D068800/1), and AD and WT, support by the Chinese Academy of Sciences and the German BMBF.",
year = "2009",
month = aug,
doi = "10.1016/j.aml.2008.10.006",
language = "English",
volume = "22",
pages = "1150--1153",
journal = "Applied Mathematics Letters",
publisher = "Elsevier",
number = "8",
}