摘要
In this paper opial's Theorem [1] about the relation between the monotonicity of one-dimensional almost periodic system and the existence of almost periodic solution is generalized. An example in this paper shows that the proof of the same problem given by Fink [2] is a fault.
In this paper opial's Theorem [1] about the relation between the monotonicity of one-dimensional almost periodic system and the existence of almost periodic solution is generalized. An example in this paper shows that the proof of the same problem given by Fink [2] is a fault.
