Generalized Darbo-Type <math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"> <mi>F</mi> </math>-Contraction and <math xmlns="http://www.w3.org/1998/Math/MathML" id="M2"> <mi>F</mi> </math>-Expansion and Its Applications to a Nonlinear Fractional-Order Differential Equation
Journal of Function Spaces