About: Euler's polyhedron formula

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dbo:description	numero intero invariante descrivente alcuni aspetti della forma di uno spazio topologico (it) цілочислова характеристика топологічного простору (uk) invariant numeric al unui spațiu topologic (ro) invariant numérique d'un espace topologique (fr) invariant topològica en matemàtiques (ca) parametr niektórych przestrzeni topologicznych (pl) topological invariant in mathematics (en) topologický invariant v matematice (cs) topologikus invariáns (hu) topologische Invariante in der Mathematik (de) τοπολογική σταθερά (el) целочисленная характеристика топологического пространства (ru) 數學上的拓樸不變量 (zh)
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dbp:title	Euler characteristic (en) Polyhedral formula (en)
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rdfs:label	Euler's polyhedron formula (en) Euler characteristic (en) Eulerova charakteristika (cs) Característica d'Euler (ca) Euler-Charakteristik (de) مميزة أويلر (ar) Χαρακτηριστική Όιλερ (el) Eŭlera karakterizo (eo) Caractéristique d'Euler (fr) Característica de Euler (es) Karakteristik Euler (in) Caratteristica di Eulero (it) 오일러 지표 (ko) オイラー標数 (ja) Característica de Euler (pt) Charakterystyka Eulera (pl) Eulerkarakteristiek (nl) Характеристика Ейлера (uk) Eulerkarakteristik (sv) Эйлерова характеристика (ru) 欧拉示性数 (zh)
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