%0 Journal Article %A Xi, Huanyan %A Huang, Lihong %A Qiao, Yuncheng %A Li, Huaiyu %A Huang, Chuangxia %T Permanence and partial extinction in a delayed three-species food chain model with stage structure and time-varying coefficients %J Journal of nonlinear sciences and its applications %D 2017 %P 6177-6191 %V 10 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.010.12.05/ %R 10.22436/jnsa.010.12.05 %G en %F JNSA_2017_10_12_a4