Sufficient conditions for the existence of positive periodic solutions are established by applying the continuation theorem of coincidence degree theory.
将应用叠合度理论的延拓定理建立正周期解存在的充分条件。
Sufficient conditions for the existence of positive periodic solutions are established by applying the continuation theorem of coincidence degree theory.
将应用叠合度理论的延拓定理建立正周期解存在的充分条件。
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