%0 Journal Article %A S. G. Shahinyan %T On optimal stabilization of part of variables of rotary movement of a rigid body with one fixed point in the case of Sophia Kovalevskaya %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2023 %P 51-61 %V 57 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2023_57_2_a2/ %G en %F UZERU_2023_57_2_a2