The present paper using upper and lower solutions,proves an existence theorem of almostperiodic solutions for integrodifferential systems.
采用上下解方法,给出了一个积微周期解存在的一般性理。
The present paper using upper and lower solutions,proves an existence theorem of almostperiodic solutions for integrodifferential systems.
采用上下解方法,给出了一个积微周期解存在的一般性理。
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