Existence and exponential stability of almost periodic solution for BAM neural networks with variable coefficients and delays. - Lijuan Zhang; Ligeng Si (Appl. Math. Comput., 2007)

Existence and global attractivity of almost periodic solution for DCNNs with time-varying coefficients. - Lijuan Zhang; Ligeng Si (Comput. Math. Appl., 2008)

Several integral inequalities and their applications in nonlinear differential systems. - Shuli Guo; Irene M. Moroz; Ligeng Si; Lina Han (Appl. Math. Comput., 2013)