TY  JOUR
TI  OPTIMIZATION OF AN INVESTMENT PORTFOLIO BASED ON THE RISK CRITERION USING THE MARKOWITZ MODEL
KW  Markowitz model
KW  investment portfolio
KW  optimization
KW  risk
KW  return
KW  diversification
KW  covariance
KW  financial mathematics
JO  MOSCOW ECONOMIC JOURNAL
AU  Igonina, T.R.
AU  Keselman, V.M.
AU  Sazonov, A.I.
AU  Borec, A.S.
PY  2026
IS  11
PB  Electronic science