We study the total stability in nonlinear discrete Volterra equations with unbounded delay, as a discrete analogue of the results for integrodifferential equations by Y. Hamaya (1990).
"Total Stability in Nonlinear Discrete Volterra Equations with Unbounded Delay." Abstr. Appl. Anal. 2009 1 - 13, 2009. https://doi.org/10.1155/2009/976369