TY - JOUR AU - Xu, Jiabo AU - Teng, Zhidong AU - Gao, Shujing TI - Almost sufficient and necessary conditions for permanence and extinction of nonautonomous discrete logistic systems with time-varying delays and feedback control JO - Applications of Mathematics PY - 2011 SP - 207 EP - 225 VL - 56 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10492-011-0003-6/ DO - 10.1007/s10492-011-0003-6 LA - en ID - 10_1007_s10492_011_0003_6 ER -