Behzad, Mehdi A criterion for the planarity of the total graph of a graph. (English) Zbl 0158.20703 Proc. Camb. Philos. Soc. 63, 679-681 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 11 Documents Keywords:topology PDF BibTeX XML Cite \textit{M. Behzad}, Proc. Camb. Philos. Soc. 63, 679--681 (1967; Zbl 0158.20703)