Generalized projection and approximation of fixed points of nonself maps. - Charles E. Chidume; Melusi Khumalo; Habtu Zegeye (J. Approx. Theory, 2003)

Dynamics of Numerics of Nonautonomous Equations with Periodic Solutions: Introducing the Numerical Floquet Theory. - Melusi Khumalo (J. Appl. Math., 2013)