# A cumulative service state representation for the pickup and delivery problem with transfers

> Research article (Transportation Research Part B Methodological, 2019) · cited 41× · AI/ML

**Wikidata**: [openalex:W2980919494](https://www.wikidata.org/wiki/openalex:W2980919494)  
**Source**: https://4ort.xyz/entity/a-cumulative-service-state-representation-for-the-pickup-and-delivery-problem-with-transfers