The four-color problem.

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Bibliographic Details
Main Author:	Ore, Øystein, 1899-1968
Format:	Book
Language:	English
Published:	New York, Academic Press, 1967.
Series:	Pure and applied mathematics (Academic Press), 27.
Subjects:	Four-color problem.

Holdings details from Science Library
Call Number:	QA166 .O66
Status:	Available

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