Kolev, Nikolay, and Nedyalko Nenov. “An Example of a 16-Vertex Folkman Edge (3,4)-Graph Without 8-Cliques”. Ann. Sofia Univ. Fac. Math. and Inf. 98 (December 12, 2008): 127–141. Accessed November 22, 2024. https://annual.uni-sofia.bg/index.php/fmi/article/view/133.