# An efficient optimization approach for a cardinality-constrained index tracking problem

> Research article (Optimization methods & software, 2015) · cited 54× · AI/ML

**Wikidata**: [openalex:W1821374938](https://www.wikidata.org/wiki/openalex:W1821374938)  
**Source**: https://4ort.xyz/entity/an-efficient-optimization-approach-for-a-cardinality-constrained-index-tracking-problem