1. On the general theory of control systems;Kaiman,1960
2. Modern Control Theory;Tou,1964
3. The matrix proper-ties of minimum time discrete linear regulator control;Farison;IEEE Trans. Automat. Contr.,1970
4. The structure and properties of time-optimal discrete linear control;Kucera;IEEE Trans. Automat. Contr.,1971
5. Time optimal discrete regulator gains;Mullis;IEEE Trans. Automat. Contr.,1972