# Estimating unbounded unknown inputs in nonlinear systems

> Research article (Automatica, 2019) · cited 25× · AI/ML

**Wikidata**: [openalex:W2921469065](https://www.wikidata.org/wiki/openalex:W2921469065)  
**Source**: https://4ort.xyz/entity/estimating-unbounded-unknown-inputs-in-nonlinear-systems