"The Sigma Chromatic Number of a Graph."

Gary Chartrand, Futaba Okamoto, Ping Zhang (2010)

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DOI: 10.1007/S00373-010-0952-7

access: closed

type: Journal Article

metadata version: 2020-06-04

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Gary Chartrand, Futaba Okamoto, Ping Zhang:
The Sigma Chromatic Number of a Graph. Graphs Comb. 26(6): 755-773 (2010)

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