C Wang, S Wang, W Wang - Applied Mathematics Letters, 2011 - Elsevier
This paper is concerned with the following nonlinear difference equations where the initial
data x− m, x− m+ 1,…, x− 1, x0∈ R+, m= max {s1,…, sl, t1,…, tk}, s1,…, sl, t1,…, tk are non …