Sekanina, Milan Graphs and betweeness. (English) Zbl 0299.05114 Mat. Čas., Slovensk. Akad. Vied 25, 41-47 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 05C35 Extremal problems in graph theory 05C05 Trees PDF BibTeX XML Cite \textit{M. Sekanina}, Mat. Čas., Slovensk. Akad. Vied 25, 41--47 (1975; Zbl 0299.05114) Full Text: EuDML References: [1] MAC LANE S.: Categories for working mathematician. New York, Heidelberg, Berlin 1971. · Zbl 0232.18001 [2] MARCZEWSKI E.: Independence in abstract algebras, results and problems. Colloq. Math., 14, 1966, 169-188. · Zbl 0192.09502 [3] MITCHELL B.: Theory of categories. New York and London 1965. · Zbl 0136.00604 [4] NEBESKÝ L.: Algebraic properties of trees. Acta Univ. Carolinae. Philol. Monogr., 25, 1969. · Zbl 0214.23301 [5] URBANIK K.: On algebraic operations in idempotent algebras. Colloq. Math., 13, 1965, 139-157. · Zbl 0132.25903 [6] ZYKOV A. A.: Theory of fìnite graphs. Novosibirsk 1969. · Zbl 0213.25801 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.