References |
Russian source; Russian source; Hatvani, L., (1990) Alkalm. Mat. Lap., 15, pp. 1-90. , Kg 1/2; Russian source; Russian source; Russian source; Rumyantsev, V.V., (1971) Proc. Symp. Math. V. 6. Meccanica Non-Iineare e StabIlita., pp. 243-265. , 23-26 febbrario 1970. L.; N.Y.: Acad. Press; Russian source; Russian source; Krasovskii, N.N., (1963) StabIlity of Motion., , Stanford (CA.): Stanford Univ. Press; Barbashin, E.A., (1970) Introduction to the Theory of StabIlity, , Groningen, The Netherlands: Wolters-Noorhoff; Corduneany II, C., (1964) Rev. Roum. Math, Pure Et. Appl., 9 (3), pp. 229-236; Russian source; Russian source; Russian source |