摘要： In this paper, the existence o f a positive periodic solution to the following neutral predator-prey system is studied,in which r,a2,K and τ are positive constants, and a1(t),α(t),b(t) and β(t) are positive continuous functions of period ω.
引用本文
李永昆. POSITIVE PERIODIC SOLUTION OF A NEUTRAL PREDATOR-PREY S YSTEM[J]. Applied Mathematics and Mechanics (English Edition), 1999, 20(5): 579-584.
Li Yongkun. POSITIVE PERIODIC SOLUTION OF A NEUTRAL PREDATOR-PREY S YSTEM[J]. Applied Mathematics and Mechanics (English Edition), 1999, 20(5): 579-584.
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is studied,in which r,a2,K and τ are positive constants, and a1(t),α(t),b(t) and β(t) are positive continuous functions of period ω.