# Mean-variance model for portfolio optimization problem in the simultaneous presence of random and uncertain returns

> Research article (European Journal of Operational Research, 2015) · cited 127× · AI/ML

**Wikidata**: [openalex:W2131498009](https://www.wikidata.org/wiki/openalex:W2131498009)  
**Source**: https://4ort.xyz/entity/mean-variance-model-for-portfolio-optimization-problem-in-the-simultaneous-presence-of-random-and-uncertain-returns