# Observability of nonlinear systems with unmeasured inputs

> Research article (Mechanical Systems and Signal Processing, 2019) · cited 57× · AI/ML

**Wikidata**: [openalex:W2946782338](https://www.wikidata.org/wiki/openalex:W2946782338)  
**Source**: https://4ort.xyz/entity/observability-of-nonlinear-systems-with-unmeasured-inputs