Four Colouring the Vertices of the Triangulation of a Polygon Containing a Hole.

Wed, 01 Jan 2003 00:00:00 +0100

Graham M. Seed, Douglas E. R. Clark, Raffaella Ocone, Xiaoyan Y. Yang:
Four Colouring the Vertices of the Triangulation of a Polygon Containing a Hole. ICCSA (3) 2003: 894-902