Criteria of robust stability for time-varying 2D Wang-Mitchel differential systems: integral funnel method. - Victor N. Zhermolenko; Alexander S. Poznyak (Int. J. Control, 2016)

Necessary and sufficient conditions for stabilizability of planar parametrically perturbed control systems. - Victor N. Zhermolenko; Alexander S. Poznyak (IMA J. Math. Control. Inf., 2016)