# A new approach on the approximate controllability of fractional differential evolution equations of order 1 < r < 2 in Hilbert spaces

> Research article (Chaos Solitons & Fractals, 2020) · cited 53× · AI/ML

**Wikidata**: [openalex:W3091683992](https://www.wikidata.org/wiki/openalex:W3091683992)  
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