A generalization of the hyperstability conditions for model reference adaptive systems

Control System Analysis and Design Via the “Second Method” of Lyapunov: I—Continuous-Time Systems

1960 • 765 citations

A hyperstability criterion for model reference adaptive control systems

1969 • 108 citations

Topics in singular perturbations

1968 • 97 citations

Asymptotic stability in singular perturbation problems

1968 • 69 citations

Singular perturbation and bounded-input bounded-state stability

1970 • 12 citations