Asymptotic behaviour and boundedness of linear systems with time varying coefficients
Tài liệu tham khảo
Bellman, 1953
Cesari, 1963
Jankovic, 1976, Lateral vibrations of an extending rod, UTIAS Technical Note No. 202
Modi, 1969, The planar motion of a damped satellite, C.A.S.I. Trans., 2, 44