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@article{EJDE_2004__2004__a2, author = {Sun, Jingan and Cui, Yonghong}, title = {Permanence of predator-prey system with infinite delay}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {2004}, year = {2004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a2/} }
Sun, Jingan; Cui, Yonghong. Permanence of predator-prey system with infinite delay. Electronic Journal of Differential Equations, Tome 2004 (2004). http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a2/