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Klešč, Marián; Petrillová, Jana; Valo, Matúš (2013), "Minimal number of crossings in strong product of paths", Carpathian Journal of Mathematics, 29 (1): 27–32, doi:10.37193/CJM.2013.01.13, JSTOR43999517, MR3099062
Chang, Gerard J. (1998), "Algorithmic aspects of domination in graphs", in Du, Ding-Zhu; Pardalos, Panos M. (eds.), Handbook of combinatorial optimization, Vol. 3, Boston, MA: Kluwer Acad. Publ., pp. 339–405, MR1665419. Chang defines the king's graph on p. 341.
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Berend, Daniel; Korach, Ephraim; Zucker, Shira (2005), "Two-anticoloring of planar and related graphs"(PDF), 2005 International Conference on Analysis of Algorithms, Discrete Mathematics & Theoretical Computer Science Proceedings, Nancy: Association for Discrete Mathematics & Theoretical Computer Science, pp. 335–341, MR2193130.
jstor.org
Klešč, Marián; Petrillová, Jana; Valo, Matúš (2013), "Minimal number of crossings in strong product of paths", Carpathian Journal of Mathematics, 29 (1): 27–32, doi:10.37193/CJM.2013.01.13, JSTOR43999517, MR3099062