Richard W. Longman,  The Fundamental Reliance of Iterative Learning Control on Stability Robustness.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 1829 - 1834
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/7006.