A. Yu. Poletaev, E. M. Spiridonova, “Hierarchical clustering as a dimension reduction technique for Markowitz portfolio optimization”, Model. Anal. Inform. Sist., 27:1 (2020), 62–71
2008
2.
E. M. Spiridonova, “On the problems of statistical estimation of economical models”, Model. Anal. Inform. Sist., 15:2 (2008), 26–30