Quintas, Louis V.; Slater, Peter J. Pairs of non-isomorphic graphs having the same path degree sequence. (English) Zbl 0483.05060 Match 12, 75-86 (1981). MSC: 05C99 PDFBibTeX XMLCite \textit{L. V. Quintas} and \textit{P. J. Slater}, Match 12, 75--86 (1981; Zbl 0483.05060)
Wirth, Karl; Huber, Martin K. Numbering of finite relational systems. (English) Zbl 0481.68063 Match 12, 3-14 (1981). MSC: 68P10 08A02 92Exx 68P20 68T99 PDFBibTeX XMLCite \textit{K. Wirth} and \textit{M. K. Huber}, Match 12, 3--14 (1981; Zbl 0481.68063)