Open Science Research Excellence
Yongkun Li and  Kaihong Zhao,  2n Positive Periodic Solutions to n Species Non-autonomous Lotka-Volterra Competition Systems with Harvesting Terms.   journal   = {International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2011, vol. 54(6). 824 - 827[viewed 17 June 2019]. Available from: http://waset.org/publications/4365.