1. Control under Lack of Information;Krasovskii,1994
2. Asymptotic stability and feedback stabilization;Brockett,1983
3. Robust stabilization of the angular velocity of a rigid body;Astolfi;Systems and Control Letters,1998
4. Proximal analysis and feedback construction;Clarke;Trudy Inst. Mat. Mekh., Ural. Otd. Ross. Akad. Nauk,2000