Salim, Abdelkrim; Bouriah, Soufyane; Benchohra, Mouffak; Lazreg, Jamal Eddine; Karapınar, Erdal
(2023)
This paper deals with some existence and uniqueness results for a class of problems systems for nonlinear k-generalized psi-Hilfer fractional differential equations with periodic conditions. The arguments are based on ...