A Proof of the Map Color Theorem
GUO Wei GUO Yinghuan GUO Zhenhua ZHU Yulan Institute of High energy physics;Academi sinica.Beijing 100080.P.R.China Dept.Phys.and information technology;Baoji Univ.Arts & Sci.;Baoji 721007;Shaanxi;China;P.R.China ZhongGuanCun first Elementary School.P.R.China)
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