Ge, Z.-M.; Wu, Y.-J. Another theorem for determining the definiteness of sign of functions and its applications to the stability of permanent rotations of a rigid body. (English) Zbl 0567.70023 J. Appl. Mech. 51, 430-434 (1984). Cited in 1 Document MSC: 70K20 Stability for nonlinear problems in mechanics 70E05 Motion of the gyroscope Keywords:definiteness of sign of functions; stability of permanent rotations; Lyapunov’s direct method × Cite Format Result Cite Review PDF Full Text: DOI