%0 Journal Article %A Kh. V. Yadrikhinskiy %A V. E. Fedorov %T Invariant solutions of the Gu\'eant~--- Pu model of options pricing and hedging %J Čelâbinskij fiziko-matematičeskij žurnal %D 2021 %P 42-51 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHFMJ_2021_6_1_a4/ %G ru %F CHFMJ_2021_6_1_a4