共 3 条
[1]
Ivanov O.A., Bounded solutions of quasilinear systems, Vestnik LGU, 22, pp. 99-100, (1985)
[2]
Pliss V.A., Integral Sets of Periodic Systems of Differential Equations, (1977)
[3]
Hartman P., Ordinary Differential Equations, (1964)