https://vital.lib.tsu.ru/vital/access/manager/Index en-us 5 Portfolio optimization problems under logarithmic utilities https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000996103 Wed 08 Feb 2023 09:17:18 KRAT ]]> Optimal investment and consumption problem for spread markets with stochastic volatility https://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000996101 Wed 08 Feb 2023 09:17:15 KRAT ]]>