# The geometry of billiards in ellipses and their poncelet grids

> Research article (Journal of Geometry, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3206846243](https://www.wikidata.org/wiki/openalex:W3206846243)  
**Source**: https://4ort.xyz/entity/the-geometry-of-billiards-in-ellipses-and-their-poncelet-grids