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@book{brogan,
	author={Modern Control Theory},
	title={Brogan, William L.},
	publisher={Prentice Hall},
	year={1991},
	address={USA},
	edition={3rd}
}

@book{casti,
	author={Casti, John L.},
	title={Nonlinear system theory},
	publisher={Academic Press},
	year={1985},
	volume={175},
	address={London},
	series={Mathematics in Science and Engineering}
}

@book{Hahn,
	author={Hahn, W.},
	title={Stability of Motion},
	publisher={Springer-Verlag},
	year={1967},
	address={Berlin}
}

@book{isidori,
	author={Isidori, Alberto },
	title={Nonlinear Control Systems},
	publisher={Springer-Verlag},
	year={1995},
	address={United Kingdom},
	edition={3rd}
}

@book{kailath,
	author={Thomas Kailath},
	title={Linear Systems},
	publisher={Printice-Hall},
	year={1980},
	address={USA}
}

@book{khalil,
	author={Khalil, Hassan K.},
	title={Nonlinear Systems},
	publisher={Macmillan},
	year={1992},
	address={New York}
}

@book{lasalle,
	author={Joseph La Salla and Solomon Lefschetz},
	title={Stability by Liapunov's Direct Method with Applications},
	publisher={Academic Press},
	year={1961},
	address={New York}
}

@book{matrix1,
	author={Horn, Roger A. and Johnson, Charles R.},
	title={Matrix Analysis},
	publisher={Cambridge University Press},
	year={1985},
	address={USA}
}

@book{matrix2,
	author={Peter Lancaster and Miron Tismenetsky},
	title={The Theory of Matrices},
	publisher={Academic Press},
	year={1985},
	address={London},
	edition={2nd}
}

@book{merritt,
	author={Merritt, Herbert E.},
	title={Hydraulic Control Systems},
	publisher={John Wiley $\&$ Sons},
	year={1967},
	address={USA}
}

@book{nijmeijer,
	author={Nijmeijer, H.Vander Schaft, A. J.},
	title={Nonlinear Dynamical Control Systems},
	publisher={Springer-Verlag},
	year={1990},
	address={USA}
}

@book{oreilly,
	author={O'Reilly, J.},
	title={Observers for Linear Systems},
	publisher={Academic Press},
	year={1983},
	volume={170},
	address={New york},
	series={Mathematics in Science and Engineering}
}

@book{palm,
	author={Palm III, William J.},
	title={Modeling Analysis and Control of Dynamical Systems},
	publisher={Jhon Wiley \& Sons},
	year={1983},
	address={Canada}
}

@book{slotine,
	author={Slotine, Jean-Jacques E. and Weiping Li},
	title={Applied Nonlinear Control},
	publisher={Prentice Hall},
	year={1991},
	address={USA}
}

@book{sontag,
	author={Sontag, Eduardo D.},
	title={Mathematical Control theory},
	publisher={Springer-Verlag},
	year={1990},
	address={New York}
}

@book{utkin,
	author={Utkin, Vadim I.},
	title={Sliding mode in control and optimization},
	publisher={Springer-Verlag},
	year={1992},
	address={Berlin}
}

@book{vidyasagar,
	author={Vidyasagar, M.},
	title={Nonlinear Systems Analysis},
	publisher={Prentice Hall},
	year={1993},
	address={New Jersey},
	edition={2nd}
}

@book{viersma,
	author={Viersma, T. J.},
	title={Analysis, Synthesis, and Design of Hydraulic Servosystems and Pipelines
		},
	publisher={Elsevier},
	year={1980},
	address={Netherlands}
}

@book{warga,
	author={Warga, J. },
	title={Optimal Control of Differential and Functional Equations},
	publisher={Academic Press},
	year={1972},
	address={New York}
}

@book{watton,
	author={Watton, John },
	title={Fluid Power Systems},
	publisher={Printice Hall},
	year={1989},
	address={United Kingdom}
}

