摘要：We investigate the mild solutions of a nonlocal Cauchy problem for nonautonomous fractional evolution equations , , in Banach spaces, where , . New results are obtained by using Sadovskii's fixed point theorem and the Banach contraction mapping principle. An example is also given.
关键词：Probability Density Function ; Fractional Order ; Fixed Point Theorem ; Mild Solution ; Fractional Differential Equation
