# Existence and Ulam stability for fractional differential equations of Hilfer-Hadamard type

> Research article (Advances in Difference Equations, 2017) · cited 81× · AI/ML

**Wikidata**: [openalex:W2730534765](https://www.wikidata.org/wiki/openalex:W2730534765)  
**Source**: https://4ort.xyz/entity/existence-and-ulam-stability-for-fractional-differential-equations-of-hilfer-hadamard-type