Vizing, V. G. Einige ungelöste Probleme in der Graphentheorie. (Russian) Zbl 0177.52301 Usp. Mat. Nauk 23, No. 6(144), 117-134 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 5 ReviewsCited in 126 Documents Keywords:topology PDF BibTeX XML Cite \textit{V. G. Vizing}, Usp. Mat. Nauk 23, No. 6(144), 117--134 (1968; Zbl 0177.52301)