1963
A case of colouration in the four colour problem
Publication
Publication
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Stichting Mathematisch Centrum | |
Stichting Mathematisch Centrum. Zuivere Wiskunde | |
Aarts, J.M, & de Groot, J. (1963). A case of colouration in the four colour problem. Stichting Mathematisch Centrum. Zuivere Wiskunde. Stichting Mathematisch Centrum.
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