Discussiones Mathematicae Graph Theory > 2005 > 25 > 1-2 > 211-215
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journal ISSN : | 2083-5892 |
DOI | 10.7151/dmgt.1273 |
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Bibliography
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[1] K. Appel and W. Haken, Every planar graph is four colourable, Illinois J. Math. 21 (1977) 429-567.
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[2] M. Borowiecki, I. Broere, M. Frick, P. Mihók and G. Semanišin, A survey of hereditary properties of graphs, Discuss. Math. Graph Theory 17 (1997) 5-50, doi: 10.7151/dmgt.1037.
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[3] M. Borowiecki, I. Broere and P. Mihók, Minimal reducible bounds for planar graphs, Discrete Math. 212 (2000) 19-27, doi: 10.1016/S0012-365X(99)00205-8.