@article{JNSA_2017_10_12_a4, author = {Xi, Huanyan and Huang, Lihong and Qiao, Yuncheng and Li, Huaiyu and Huang, Chuangxia}, title = {Permanence and partial extinction in a delayed three-species food chain model with stage structure and time-varying coefficients }, journal = {Journal of nonlinear sciences and its applications}, pages = {6177-6191}, publisher = {mathdoc}, volume = {10}, number = {12}, year = {2017}, doi = {10.22436/jnsa.010.12.05}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.010.12.05/} }