Differential Equations & Applications · Volume 11, Issue 1 A Gronwall inequality and the Cauchy-type problem by means of ψ-Hilfer operator 11-02 Pages 87-106 DOI 10.7153/dea-2019-11-02 Downloads Short PDF Full PDF PNG Authors José Vanterler da Costa Sousa Edmundo Capelas de Oliveira Keywords ψ-Hilfer fractional derivative Cauchy-type problem existence and uniqueness continuous dependence generalized Gronwall inequality Subject classes 26A33 36A08 34A12 34A40