Shahinyan, S. G. ON OPTIMAL STABILIZATION OF PART OF VARIABLES OF ROTARY MOVEMENT OF A RIGID BODY WITH ONE FIXED POINT IN THE CASE OF SOPHIA KOVALEVSKAYA. Proc. YSU A: Phys. Math. Sci. 2023, 57 (2 (261), 51-61. https://doi.org/10.46991/PYSU:A/2023.57.2.051.