Sukalwad, U. and Ingle, R. 2026. Lyapunov and Hartman–Wintner Inequalities for Caputo–Fabrizio Fractional Dirichlet Boundary Value Problems. Serdica Mathematical Journal. 52, 3 (Sep. 2026), 249–268. DOI:https://doi.org/10.55630/serdica.2026.52.249-268.