On Dense Bipartite Graphs of Girth Eight and Upper Bounds for Certain Configurations in Planar Point-Line Systems

D. de Caen, László A. Székely. On Dense Bipartite Graphs of Girth Eight and Upper Bounds for Certain Configurations in Planar Point-Line Systems. Journal of Combinatorial Theory, Series A, 77(2):268-278, 1997. [doi]

Abstract

Abstract is missing.