# Clairaut's relation

> formula in classical differential geometry

**Wikidata**: [Q2226643](https://www.wikidata.org/wiki/Q2226643)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Clairaut's_relation_(differential_geometry))  
**Source**: https://4ort.xyz/entity/clairaut-s-relation


## References

1. Freebase Data Dumps. 2013