# Bessel function of the second kind

> special function of two complex variables

**Wikidata**: [Q109545924](https://www.wikidata.org/wiki/Q109545924)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bessel_function_of_the_second_kind)  
**Source**: https://4ort.xyz/entity/bessel-function-of-the-second-kind


## References

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