Chartrand, Gary; Johns, Garry L.; Novotny, Karen S.; Oellermann, Ortrud R. Subgraph distance in graphs. (English) Zbl 0764.05024 J. Comb. Inf. Syst. Sci. 16, No. 1, 67-85 (1991). MSC: 05C12 PDFBibTeX XMLCite \textit{G. Chartrand} et al., J. Comb. Inf. Syst. Sci. 16, No. 1, 67--85 (1991; Zbl 0764.05024)
Chartrand, Gary; Johns, G.; Oellermann, Ortrud R. On peripheral vertices in graphs. (English) Zbl 0702.05049 Topics in combinatorics and graph theory. Essays in honour of Gerhard Ringel, 193-199 (1990). MSC: 05C38 05C35 PDFBibTeX XML