🌐EnglishEnglishEspañolFrançaisPortuguêsTürkçeРусскийالعربية日本語EntityQ3526990· pop 8· linked from 8 articlesEuler's theoremtheorem in the mathematical field of differential geometryAvailable in 8 languagesEspañolFrançais日本語РусскийCatalanCzechHebrewvia Wikidata sitelinks · CC0Connectionsprincipal curvatureEntityLeonhard EulerEntityCategoriesDifferential geometry of surfacesLeonhard EulerTheorems in differential geometry