# Optimal error bound and truncation regularization method for a backward time-fractional diffusion problem in Hilbert scales

> Research article (Applied Mathematics Letters, 2020) · cited 10× · AI/ML

**Wikidata**: [openalex:W3021486550](https://www.wikidata.org/wiki/openalex:W3021486550)  
**Source**: https://4ort.xyz/entity/optimal-error-bound-and-truncation-regularization-method-for-a-backward-time-fractional-diffusion-problem-in-hilbert-sca