Normal forms, canonical forms, and invariants of single input nonlinear systems under feedback. - Issa Amadou Tall; Witold Respondek (CDC, 2000)

How many symmetries does admit a nonlinear single-input control system around an equilibrium? - Witold Respondek; Issa Amadou Tall (CDC, 2001)

Normal forms for two-inputs nonlinear control systems. - Issa Amadou Tall; Witold Respondek (CDC, 2002)

Nonlinearizable single-input control systems do not admit stationary symmetries. - Witold Respondek; Issa Amadou Tall (Syst. Control. Lett., 2002)

Feedback Classification of Nonlinear Single-Input Control Systems with Controllable Linearization: Normal Forms, Canonical Forms, and Invariants. - Issa Amadou Tall; Witold Respondek (SIAM J. Control. Optim., 2002)

Normal forms for nonlinear discrete time control systems. - Boumediene Hamzi; Issa Amadou Tall (CDC, 2003)

Controllability and local accessibility - a normal form approach. - Wei Kang 001; Mingqing Xiao 001; Issa Amadou Tall (IEEE Trans. Autom. Control., 2003)

Strict feedforward form and symmetries of nonlinear control systems. - Witold Respondek; Issa Amadou Tall (CDC, 2004)

Weighted canonical forms of nonlinear single-input control systems with noncontrollable linearization. - Issa Amadou Tall; Witold Respondek (CDC, 2004)

Smooth and Analytic Normal and Canonical Forms for Strict Feedforward Systems. - Issa Amadou Tall; Witold Respondek (CDC/ECC, 2005)

Feedback Classification of Multi-Input Nonlinear Control Systems. - Issa Amadou Tall (SIAM J. Control. Optim., 2005)

Explicit Symmetries of Strict Feedforward Control Systems. - Issa Amadou Tall; Witold Respondek (CDC, 2006)

Linearizable feedforward systems: A special class. - Issa Amadou Tall (CCA, 2008)

On linearizability of strict feedforward systems. - Issa Amadou Tall; Witold Respondek (ACC, 2008)

Feedback linearizability of strict feedforward systems. - Witold Respondek; Issa Amadou Tall (CDC, 2008)

State linearization of control systems: An explicit algorithm. - Issa Amadou Tall (CDC, 2009)

Explicit feedback linearization of control systems. - Issa Amadou Tall (CDC, 2009)

Time-invariant quadratic Hamiltonians via generalized transformations. - Issa Amadou Tall (ACC, 2010)

Multi-input control systems: Explicit feedback linearization. - Issa Amadou Tall (CDC, 2010)

Explicit state linearization of multi-input control systems. - Issa Amadou Tall (CDC, 2010)

Strict feedforward control systems, linearisability, and convergent normal forms. - Issa Amadou Tall (Int. J. Control, 2010)

State and feedback linearizations of single-input control systems. - Issa Amadou Tall (Syst. Control. Lett., 2010)

Feedback Linearizable Feedforward Systems: A Special Class. - Issa Amadou Tall (IEEE Trans. Autom. Control., 2010)

Canonical forms for nonlinear discrete time control systems. - Issa Amadou Tall (CDC/ECC, 2011)

Linearization of control systems: A Lie series approach. - Issa Amadou Tall (Autom., 2014)