共 5 条
[3]
Uniform boundedness for delay equations[J] . T. A. Burton.Acta Mathematica Hungarica . 1990 (3)
[4]
Liapunov functions and boundedness and global existence of solutions[J] . Haddock R. John.Applicable Analysis . 1972 (4)
[5]
Qualitavtive theory of Differential Equations:Colloq Math Soc Janos Bolyai .2 Hatvani L. North Holland . 1990