中国科学院数学与系统科学研究院期刊网
Periodicity and Stability in Periodic n-Species Lotka-Volterra Competition System with Feedback Controls and Deviating Arguments
Meng FAN, Ke WANG, Patricia J. Y. WONG, Ravi P. AGARWAL
Acta Mathematica Sinica . 2003, (4): 801 -822 .  DOI: 10.1007/s10114-003-0311-1