RT Journal T1 Generalized Lyapunov Inequalities for a Higher-Order Sequential Fractional Differential Equation with Half-Linear Terms A1 Dexiang Ma,Abdullah Ă–zbekler PB Acta mathematica scientia,Series A FD 2020-12-26 YR 2020 JF Acta mathematica scientia, Series A JO Acta mathematica scientia,Series A VO 40 IS 6 SP 1537 DO K1 ;Fractional derivative;Green's function;Lyapunov-type inequality;Hartman-type inequality LK {http://121.43.60.238/sxwlxbA/EN/article/article_16264.shtml}