# Chasles–Cayley–Brill formula
**Wikidata**: [Q5087368](https://www.wikidata.org/wiki/Q5087368)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chasles–Cayley–Brill_formula)  
**Source**: https://4ort.xyz/entity/chasles-cayley-brill-formula