# Delayed unknown input observers for discrete-time linear systems with guaranteed performance

> Research article (Systems & Control Letters, 2017) · cited 34× · AI/ML

**Wikidata**: [openalex:W2597246818](https://www.wikidata.org/wiki/openalex:W2597246818)  
**Source**: https://4ort.xyz/entity/delayed-unknown-input-observers-for-discrete-time-linear-systems-with-guaranteed-performance