Stability of the positive steady-state solutions of systems of nonlinear Volterra difference equations of population models with diffusion and infinite delay. Shi, B. — 2000 International Journal of Mathematics and Mathematical Sciences
Existence of positive solutions for boundary value problems of nonlinear functional difference equation with p -Laplacian operator. Yang, S.J.; Shi, B.; Zhang, D.C. — 2007 Boundary Value Problems [electronic only]