# A topological approach to nonlocal elliptic partial differential equations on an annulus

> Research article (Mathematische Nachrichten, 2020) · cited 44× · AI/ML

**Wikidata**: [openalex:W3096369747](https://www.wikidata.org/wiki/openalex:W3096369747)  
**Source**: https://4ort.xyz/entity/a-topological-approach-to-nonlocal-elliptic-partial-differential-equations-on-an-annulus