Multiple periodic solutions in delayed Gause-type ratio-dependent predator-prey systems with non-monotonic numerical responses. - Xiaoquan Ding; Jifa Jiang (Math. Comput. Model., 2008)

Positive periodic solutions for a generalized two-species semi-ratio-dependent predator-prey system in a two-patch environment. - Xiaoquan Ding; Jifa Jiang (Math. Comput. Model., 2010)

Positive periodic solutions for impulsive Gause-type predator-prey systems. - Xiaoquan Ding; Bentang Su; Jianmin Hao (Appl. Math. Comput., 2012)

Permanence for a two-species Gause-type ratio-dependent predator-prey system with time delay in a two-patch environment. - Xiaoquan Ding; Chunwei Wang; Peng Chen (Appl. Math. Comput., 2013)