1. Block Control Principle I;Drakunov;Automation and Remote Control,1990
2. Methods of Reducing Equations for Dynamic Systems to a Regular Form;Lukyanov;Automation and Remote Control,1981
3. Optimal Non-linear Block Control Method;Lukyanov;Proc. of the 2nd European Control Conference, ECC'93,1993
4. Sliding Modes in Control and Optimization;Utkin,1992
5. Sliding mode control in discrete time and difference systems;Utkin,1993