TY - JOUR AU - Kh. V. Yadrikhinskiy AU - V. E. Fedorov TI - Invariant solutions of the Gu\'eant~--- Pu model of options pricing and hedging JO - Čelâbinskij fiziko-matematičeskij žurnal PY - 2021 SP - 42 EP - 51 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHFMJ_2021_6_1_a4/ LA - ru ID - CHFMJ_2021_6_1_a4 ER -