Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
838232 | Nonlinear Analysis: Real World Applications | 2010 | 7 Pages |
Abstract
In this paper, we establish the existence of four positive periodic solutions for a Lotka–Volterra cooperative system with harvesting terms by using the continuation theorem of coincidence degree.
Keywords
Related Topics
Physical Sciences and Engineering
Engineering
Engineering (General)
Authors
Daowei Hu, Zhengqiu Zhang,