# Wigner 3-j symbol

> coefficients coupled with angular momentum

**Wikidata**: [Q2570568](https://www.wikidata.org/wiki/Q2570568)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/3-j_symbol)  
**Source**: https://4ort.xyz/entity/wigner-3-j-symbol


## References

1. Freebase Data Dumps. 2013