# Black hole shadows and invariant phase space structures

> Research article (Physical review. D/Physical review. D., 2017) · cited 41× · AI/ML

**Wikidata**: [openalex:W2620389002](https://www.wikidata.org/wiki/openalex:W2620389002)  
**Source**: https://4ort.xyz/entity/black-hole-shadows-and-invariant-phase-space-structures