1. The four_Color Theorem: History, Topological Foundations, and Idea of Proof
پدیدآورنده : / Rudolf Fritsch, Gerda Fritsch
کتابخانه: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
موضوع : Four_Color Problem.
رده :
QA618
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12
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F7513
