A Formula of Euler Characteristic of Two Dimensional Compact Riemann Manifolds of Nonpositive Curvature

Ming YANG

Acta Mathematica Sinica, Chinese Series ›› 1999, Vol. 42 ›› Issue (6) : 0-0+0.

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中国科学院数学与系统科学研究院期刊网
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Acta Mathematica Sinica, Chinese Series ›› 1999, Vol. 42 ›› Issue (6) : 0-0+0. DOI: 10.12386/A1999sxxb0137
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A Formula of Euler Characteristic of Two Dimensional Compact Riemann Manifolds of Nonpositive Curvature

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{{article.zuoZheEn_L}}. {{article.title_en}}. Acta Mathematica Sinica, Chinese Series, 1999, 42(6): 0-0+0 https://doi.org/10.12386/A1999sxxb0137

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