# Lambert W function

> multivalued function that is the inverse of the map z ↦ z exp(z)

**Wikidata**: [Q429331](https://www.wikidata.org/wiki/Q429331)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lambert_W_function)  
**Source**: https://4ort.xyz/entity/lambert-w-function


## References

1. Freebase Data Dumps. 2013
2. Quora
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)