Time consistent expected mean-variance in multistage stochastic quadratic optimization: a model and a matheuristic Egileak: U. Aldasoro, M. Merino, G. Pérez Urtea: 2019 Aldizkaria: Annals of Operations Research Informazio gehigarria https://link.springer.com/article/10.1007/s10479-018-3032-7