Petitjean, Michel A definition of symmetry. (English) Zbl 1274.58003 Symmetry Cult. Sci. 18, No. 2-3, 99-119 (2007). MSC: 58D19 52B15 20B25 PDFBibTeX XMLCite \textit{M. Petitjean}, Symmetry Cult. Sci. 18, No. 2--3, 99--119 (2007; Zbl 1274.58003)
Négadi, Tidjani The genetic code multiplet structure, in one number. (English) Zbl 1164.92315 Symmetry Cult. Sci. 18, No. 2-3, 149-160 (2007). MSC: 92D10 20B30 PDFBibTeX XMLCite \textit{T. Négadi}, Symmetry Cult. Sci. 18, No. 2--3, 149--160 (2007; Zbl 1164.92315) Full Text: arXiv