%0 Journal Article %A H. Guebbai %A S. Lemita %A S. Segni %A W. Merchela %T Difference derivative for an integro-differential nonlinear Volterra equation %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2020 %P 176-188 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2020_30_2_a2/ %G en %F VUU_2020_30_2_a2