%0 Journal Article %A Youssef, M. I. %T Caputo-Katugampola fractional Volterra functional differential equations with a vanishing lag function %J Journal of nonlinear sciences and its applications %D 2020 %P 293-302 %V 13 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.013.05.06/ %R 10.22436/jnsa.013.05.06 %G en %F JNSA_2020_13_5_a5