WASET
    M. De la Sen and  O. Barambones,  Stabilization of Nonnecessarily Inversely Stable First-Order Adaptive Systems under Saturated Input.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2009, vol. 32(8). 916 - 920
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10023.