Yunlan Chen Mingxin Wang Asymptotic behavior of solutions of a three-species predator-prey model with diffusion and time delays. 1403-1408 2004 17 Appl. Math. Lett. 12 https://doi.org/10.1016/j.am1.2003.07.013 https://www.wikidata.org/entity/Q114683073 db/journals/appml/appml17.html#ChenW04