MOLNAR SÁSKA G. ON SOME SYMPLECTIC GROUP ACTIONS WHERE ALL THE ORBITS ARE EQUIVARIANTLY ISOMORPHIC AND DIFFEOMORPHIC TO A FIXED ORBIT OF THE COADJOINT ACTION Period. Polytech. Mech. Eng. [Internet]. 1992 Jan. 1 [cited 2024 May 18];36(3-4):273-8. Available from: https://pp.bme.hu/me/article/view/5575