Lu Zhao

Existence of periodic solutions for neutral type cellular neural networks with delays

Yongkun Li, Lu Zhao, Xuerong Chen, 2012 .

Stability and existence of periodic solutions to delayed Cohen-Grossberg BAM neural networks with impulses on time scales

Lu Zhao, Yongkun Li, Xuerong Chen, 2009, Neurocomputing.

Positive periodic solutions of functional differential equations with impulse on time scales

Yongkun Li, Lu Zhao, Xuerong Chen, 2010 .