P. Chandaket
Extensions in the synthesis of time optimal or "bang-bang" nonlinear control systems. Part 1: The synthesis of quasi-stationary optimum nonlinear control systems
Extensions in the synthesis of time optimal or "bang-bang" nonlinear control systems. Part II: Synthesis and analytic studies of optimum type II nonlinear control systems
Extensions in the synthesis of time optimal or "bang-bang" nonlinear control systems. Part III: Synthesis and analytic studies of optimum type II nonlinear control systems with complex roots