# A necessary and sufficient condition for total observability of discrete-time linear time-varying systems

> Research article (IFAC-PapersOnLine, 2017) · cited 17× · AI/ML

**Wikidata**: [openalex:W2765280837](https://www.wikidata.org/wiki/openalex:W2765280837)  
**Source**: https://4ort.xyz/entity/a-necessary-and-sufficient-condition-for-total-observability-of-discrete-time-linear-time-varying-systems
