1. High accuracy control magnet power supply of proton synchrotron in recurrent operation;Inoue;The Trans. of The Institute of Electrical Engineers of Japan,1980
2. High accuracy control of play-back servo system;Inoue;The Trans. of The Institute of Electrical Engineers of Japan,1981
3. Stability condition and synthesis methods for repetitive control system;Hara;Trans. of the Society of Instrument and Control Engineers,1986
4. Stability of multivariable repetitive control systems – stability condition and class of stabilizing controllers;Hara;Trans. of the Society of Instrument and Control Engineers,1986
5. The internal model principle and stabilizability of repetitive control system;Yamamoto;Trans. of the Society of Instrument and Control Engineers,1987