1. Stable adaptive controller design, part II: Proof of stability
2. Discrete-time multivariable adaptive control
3. 4K.S.Narendra andA.M.Annaswamy.Stable AdaptiveSystems.Prentice-Hall Inc.,Englewood Cliffs,NJ,1989.
4. 5G.C.GoodwinandK.S.Sin,Adaptive Filtering PredictionandControl,Prentice Hall,Englewood Cliffs,NJ,1984.