Talk:Intersection number (graph theory)

External links modified
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I have just modified one external link on Intersection number (graph theory). Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://archive.is/20130416012824/http://knowledgecenter.siam.org/0236-000085/0236-000085/1 to http://knowledgecenter.siam.org/0236-000085/0236-000085/1

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Cheers.— InternetArchiveBot  (Report bug) 16:13, 15 November 2017 (UTC)