# Seifert surface

> surface whose boundary is a knot or a link

**Wikidata**: [Q1554293](https://www.wikidata.org/wiki/Q1554293)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Seifert_surface)  
**Source**: https://4ort.xyz/entity/seifert-surface


## References

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