# Valid inequalities and branch-and-cut algorithm for the pickup and delivery traveling salesman problem with multiple stacks

> Research article (European Journal of Operational Research, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3190572613](https://www.wikidata.org/wiki/openalex:W3190572613)  
**Source**: https://4ort.xyz/entity/valid-inequalities-and-branch-and-cut-algorithm-for-the-pickup-and-delivery-traveling-salesman-problem-with-multiple-sta