%0 Journal Article %A Xu, Jiabo %A Teng, Zhidong %A Gao, Shujing %T Almost sufficient and necessary conditions for permanence and extinction of nonautonomous discrete logistic systems with time-varying delays and feedback control %J Applications of Mathematics %D 2011 %P 207-225 %V 56 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10492-011-0003-6/ %R 10.1007/s10492-011-0003-6 %G en %F 10_1007_s10492_011_0003_6