Optimization of quasi-normal eigenvalues for 1-D wave equations in inhomogeneous media; description of optimal structures. - Illya M. Karabash (Asymptot. Anal., 2013)

Structured stability radii and exponential stability tests for Volterra difference systems. - Elena Braverman; Illya M. Karabash (Comput. Math. Appl., 2013)