EXISTENCE OF MILD SOLUTION FOR $(k, \Psi)$-HILFER FRACTIONAL CAUCHY VALUE PROBLEM OF SOBOLEV TYPE. Advances in Differential Equations and Control Processes, [S. l.], v. 31, n. 4, p. 439–472, 2024. DOI: 10.17654/0974324324024. Disponível em: https://pphmjopenaccess.com/adecp/article/view/2050. Acesso em: 5 jan. 2026.