@misc{Wahash_Hanan_A._Existence, author={Wahash Hanan A. and Abdo Mohammed S. and Panchal Satish K.}, howpublished={online}, publisher={Wydaw. Politechniki Częstochowskiej}, language={eng}, type={artykuł}, title={Existence and Ulam-Hyers stability of the implicit fractional boundary value problem with ψ-Caputo fractional derivative}, keywords={fractional differential equations, ψ-fractional integral and derivative, existenceand Ulam-Hyers stability, fixed point theorem}, }