# On the limit cycles of perturbed discontinuous planar systems with 4 switching lines

> Research article (Chaos Solitons & Fractals, 2015) · cited 33× · AI/ML

**Wikidata**: [openalex:W2199630651](https://www.wikidata.org/wiki/openalex:W2199630651)  
**Source**: https://4ort.xyz/entity/on-the-limit-cycles-of-perturbed-discontinuous-planar-systems-with-4-switching-lines