Home›Differential geometry›Kaustyka🌐PolskiEnglishEspañolItalianoPolski中文日本語EntityQ3492725· pop 8· linked from 45 articlesKaustykaenvelope of rays either reflected or refracted by a manifoldAvailable in 8 languagesEspañol中文ItalianoCatalanEsperantoRomanianSlovenianvia Wikidata sitelinks · CC0Connectionspedal curveEntitysymplectic manifoldEntityCategoriesDifferential geometry