References |
Malkin, (1966) Theory of Stability of Motion, , NAUKA, Moscow; Rumiantsev, On stability of motion with respect to a part of the variables (1957) Vestn. Mosk. Gos. Univ., Matem., Mekhan., Astron., Fiz., Khim., (4); (See also L.-N.Y. Academic Press, 1971); Vorotnikov, Prokop'ev, On stability of motion of linear systems with respect to a part of variables (1978) PMM, 42 (2); Vorotnikov, On complete controllability and stabilization of motion relative to a part of variables (1982) Avtom. i Telemekh., (3); Vorotnikov, On stability of motion relative to part of the variables for certain nonlinear systems (1979) PMM, 43 (3); Lur'e, (1951) Certain Nonlinear Problems of Automatic Control Theory, , GOSTEKHIZDAT, Moscow; Oziraner, On asymptotic stability and instability relative to part of the variables (1973) PMM, 37 (4); Barbashin, (1967) Introduction to Stability Theory, , NAUKA, Moscow; Vorotnikov, On stability and stabilization of motion with respect to a part of the variables (1982) PMM, 46 (6); Matrosov, Principle of comparison with a vector-valued Liapunov function (1969) IV. Differents. Uravnen, 5 (12); Krasovskii, (1968) Theory of Control of Motion, , NAUKA, Moscow, Stanford, Cal; Krasovskii, (1963) Stability of Motion, , See also, in English; Popov, Absolute stability of nonlinear automatic control systems (1962) Avtom. i Telemekh., (8) |