On the Construction of Liapunov Functions and Stability of Control Systems
リアプノフ関数の構成と制御系の安定問題

Kazumasa HIRAI, Shinzo KITAMURA
1967 Journal of The Society of Instrument and Control Engineers  
doi:10.11499/sicejl1962.6.103 fatcat:wbcrz7cvyjhmha6to77hfmbzei