Theory of graphs; proceedings of the colloquium held at tihany, hungary / Edited by P. Erdös and G. Katona. Colloquium on Graph Theory (1966 : Tihany, Hungary) Erdős, Paul, 1913-1996, ed. Katona, G., ed. Bolyai János Matematikai Társulat. Graph theory. QA166 .C6 1966 513.83 PRT "Organized by the Bolyai Mathematical Society." Includes bibliographies at the end of each chapter. New York, Academic Press, 1968. 1968. 1968 Text 370 p. : eng