# Bessel function

> special function of two complex variables

**Wikidata**: [Q109546200](https://www.wikidata.org/wiki/Q109546200)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bessel_function_of_the_first_kind)  
**Source**: https://4ort.xyz/entity/bessel-function-q109546200


## References

1. ISO 80000-2:2019 Quantities and units — Part 2: Mathematics