🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaTürkçeРусскийالعربية한국어中文日本語EntityQ742833· pop 19· linked from 123 articlesGauss–Bonnet theoremTheorem in differential geometryConnectionsspherical trigonometryEntitymanifoldEntityCategoriesRiemann surfacesTheorems in differential geometry