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Семиугольник (Russian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Семиугольник" in Russian language version.

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1doi.org
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doi.org

  • Horton, J. D. (1983), "Sets with no empty convex 7-gons", Canadian Mathematical Bulletin, 26 (4): 482—484, doi:10.4153/CMB-1983-077-8