Friday, November 2nd, 2007

Time	Event
8:24a	"The Journey of the Four Colour Theorem Through Time" Занятное историческое исследование проблемы четырех красок http://www.calude.net/andreea/4CT.pdf "The Journey of the Four Colour Theorem Through Time" от Кэли и Гамильтона и до наших дней (1 Comment | Comment on this)

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