# Boy's surface

> three-dimensional self-intersecting surface, an immersion of the real projective plane

**Wikidata**: [Q896057](https://www.wikidata.org/wiki/Q896057)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Boy's_surface)  
**Source**: https://4ort.xyz/entity/boy-s-surface


## References

1. Freebase Data Dumps. 2013