# Results on approximate controllability for non-densely defined Hilfer fractional differential system with infinite delay

> Research article (Chaos Solitons & Fractals, 2020) · cited 82× · AI/ML

**Wikidata**: [openalex:W3036194293](https://www.wikidata.org/wiki/openalex:W3036194293)  
**Source**: https://4ort.xyz/entity/results-on-approximate-controllability-for-non-densely-defined-hilfer-fractional-differential-system-with-infinite-delay