On generalized ramsey numbers for trees Jürgen BierbrauerAlbrecht Brandis OriginalPaper Pages: 95 - 107
The chromatic number of the product of two 4-chromatic graphs is 4 Mohamed El-ZaharNorbert Sauer OriginalPaper Pages: 121 - 126
A characterization of planar graphs by trémaux orders H. de FraysseixP. Rosenstiehl OriginalPaper Pages: 127 - 135
The chromatic number of the product of two ℵ1-chromatic graphs can be countable A. Hajnal OriginalPaper Pages: 137 - 139
The struction of a graph: Application toCN-free graphs P. L. HammerN. V. R. MahadevD. de Werra OriginalPaper Pages: 141 - 147
On triangulations of the convex hull ofn points B. L. RotschildE. G. Straus OriginalPaper Pages: 167 - 179