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The four-color problem. Assaults and conquest. (English) Zbl 0463.05041

Advanced Book Program. Düsseldorf etc.: McGraw-Hill International Book Company. IX, 217 p. DM 51.70 (1977).

MSC:

05C15 Coloring of graphs and hypergraphs
05-02 Research exposition (monographs, survey articles) pertaining to combinatorics